Introduction​

Price range filters are crucial for e-commerce platforms, allowing users to narrow down products based on their budget. Our goal is to build a React component that provides a user-friendly interface for selecting a price range, with synchronized slider and input values, and optimized performance.

The Plan​

The CatlogPriceFilter component will have the following key features:

1. Range Slider: Users can adjust minimum and maximum values using a range slider.
2. Input Fields: Numeric input fields allow users to manually input the price range.
3. Synchronized State: The slider and input fields will be in sync, meaning changes in one will reflect in the other.
4. Price Change Event: A callback function will be triggered when the user finishes adjusting the price range.

React is a robust library for building dynamic user interfaces, but as applications scale, performance can become a significant concern. This guide delves into various techniques and best practices for enhancing React application performance, ensuring a smooth and responsive user experience.

This tutorial will guide you through the process of integrating the PhonePe Payment Gateway in your Node.js backend and React frontend. We'll use the provided backend code for payment processing and show how to build the frontend with React, React Router DOM, React Bootstrap, and Axios.

Have you ever wanted to peek into a private Instagram account but found yourself locked out? You're not alone. Many people search for ways to view private Instagram profiles for various reasons — from curiosity about a potential date to keeping an eye on their kids' online activities. That's where private Instagram viewers come in handy. Let's explore the top options available in 2024.

Managing dynamic input fields in React.js is a common requirement for modern web applications. Whether you’re building a form that allows users to add multiple email addresses, phone numbers, or any other type of information, dynamically adding and removing input fields can significantly enhance user experience.

In this article, we’ll walk through the process of creating a form with dynamic input fields in React.js. Our form will allow users to add new input fields, delete existing ones, and ensure that at least one input field is always present.

Introduction​

Forms are a crucial part of web applications, enabling user interaction and data collection. However, the static nature of traditional forms can be limiting, especially when users need to add multiple entries dynamically. React.js, with its powerful state management and component-based architecture, offers an elegant solution to this problem.

By leveraging React’s capabilities, we can create forms that allow users to add and remove input fields on the fly, providing a more flexible and user-friendly experience. This tutorial will guide you through building such a form step-by-step, covering state management, event handling, and rendering dynamic components.

Setting Up the Project​

First, let's create a new React project. If you haven’t already, install the create-react-app tool using npm or yarn.

npx create-react-app dynamic-input-fields
cd dynamic-input-fields
npm start

This will set up a new React project and start the development server.

Creating the DynamicInput Component​

Next, we'll create a component called DynamicInput that will handle the dynamic input fields.

Step 1: Initial Setup​

Create a new file named DynamicInput.js inside the src directory and add the following code:

import React, { useState } from 'react';

const DynamicInput = () => {
  const [inputs, setInputs] = useState([{ value: '' }]);

  const handleChange = (index, event) => {
    const values = [...inputs];
    values[index].value = event.target.value;
    setInputs(values);
  };

  const handleAdd = () => {
    setInputs([...inputs, { value: '' }]);
  };

  const handleRemove = (index) => {
    if (inputs.length > 1) {
      const values = [...inputs];
      values.splice(index, 1);
      setInputs(values);
    }
  };

  return (
    <div>
      {inputs.map((input, index) => (
        <div key={index}>
          <input
            type="text"
            value={input.value}
            onChange={(event) => handleChange(index, event)}
          />
          {inputs.length > 1 && (
            <button type="button" onClick={() => handleRemove(index)}>
              Remove
            </button>
          )}
        </div>
      ))}
      <button type="button" onClick={handleAdd}>
        Add Input
      </button>
    </div>
  );
};

export default DynamicInput;

Step 2: Adding the Component to the App​

Open src/App.js and import the DynamicInput component. Then, add it to the component tree:

import React from 'react';
import './App.css';
import DynamicInput from './DynamicInput';

function App() {
  return (
    <div className="App">
      <h1>Dynamic Input Fields</h1>
      <DynamicInput />
    </div>
  );
}

export default App;

Step 3: Styling the Component​

You can add some basic CSS to src/App.css to make the form look better:

.App {
  font-family: sans-serif;
  text-align: center;
}

input {
  margin: 5px;
  padding: 10px;
}

button {
  margin: 5px;
  padding: 10px;
}

Understanding the Code​

1. State Management: The inputs state is an array of objects, each containing a value property. This state holds the values of all dynamic input fields.
2. handleChange Function: This function updates the value of a specific input field based on the user's input.
3. handleAdd Function: This function adds a new input field by appending an empty object to the inputs array.
4. handleRemove Function: This function removes an input field at a specified index. It ensures that at least one input field remains by checking the length of the inputs array before allowing deletion.
5. Rendering the Inputs: The component maps over the inputs array and renders an input field for each item. A remove button is conditionally rendered if there is more than one input field.

Conclusion​

Dynamically adding and removing input fields in React.js is a powerful feature that can greatly enhance the flexibility and user-friendliness of your forms. By following the steps outlined in this article, you can implement this functionality in your own projects, ensuring a seamless and interactive user experience.

Remember to consider edge cases, such as preventing the removal of the last input field, to ensure your form behaves as expected.

In the vast landscape of web design, certain features can elevate user experience to new heights. One such feature is the combination of scrollable sections and sticky columns, providing a seamless and intuitive browsing experience. In this article, we'll delve into the intricacies of implementing scrollable sections and sticky columns using React and CSS, empowering you to enhance your website's usability and engagement.

Understanding Scrollable Sections: Scrollable sections are essential for enabling users to navigate through content seamlessly, particularly in lengthy web pages. They offer a structured and organized browsing experience, allowing users to consume information at their own pace. By leveraging React and CSS, developers can implement scrollable sections with ease, offering flexibility and customization options to tailor the experience to users' needs.

Exploring Sticky Columns: Sticky columns play a vital role in keeping essential content visible as users scroll. Whether it's navigation menus, sidebars, or call-to-action elements, sticky columns ensure that important information remains within reach, enhancing user engagement and reducing friction in the browsing experience. By dissecting the provided code snippet, we'll gain insights into how sticky columns are implemented and customized using React and CSS.

Creating a Seamless User Experience: The synergy between scrollable sections and sticky columns is key to creating a seamless user experience. By combining these features, websites can enhance navigation, readability, and overall user engagement. Real-world examples will illustrate how scrollable sections and sticky columns work together to optimize user experience, inspiring you to implement these techniques in your own web projects.

Understanding the Code:

Let's break down the following React code snippet:

import React, { useEffect, useState } from 'react';
import reactLogo from "./assets/react.svg";
import "./App.css";

function App() {
    // State to track whether section 1 should be fixed
    const [isSection1Fixed, setIsSection1Fixed] = useState(false);

    useEffect(() => {
        // Function to handle scroll events
        const handleScroll = () => {
            // Get references to section 1 and section 2
            const section1 = document.getElementById('section-1');
            const section2 = document.getElementById('section-2');

            // Get the top offset of section 1 and section 2
            const section1Top = section1.offsetTop;
            const section2Top = section2.offsetTop;

            // Get the current scroll position
            const scrollTop = window.scrollY || document.documentElement.scrollTop;

            // Determine if section 1 should be fixed
            if (scrollTop > section1Top) {
                if (scrollTop < section2Top - window.innerHeight) {
                    setIsSection1Fixed(true);
                } else {
                    setIsSection1Fixed(false);
                }
            } else {
                setIsSection1Fixed(false);
            }
        };

        // Add event listener for scroll events
        window.addEventListener('scroll', handleScroll);

        // Clean up by removing event listener when component unmounts
        return () => {
            window.removeEventListener('scroll', handleScroll);
        };
    }, []); // Empty dependency array ensures the effect runs only once on component mount

    return (
        <>
            {/* Sticky Header */}
            <div className='header'>Sticky Header</div>

            {/* Two-item container for left and right columns */}
            <div className='two-item-container'>
                {/* Left column */}
                <div id='sticky' className='item-one'>
                    {/* Content goes here */}
                </div>

                {/* Right column */}
                <div id='section-1' className={`item-two ${isSection1Fixed ? 'fixed-section' : ''}`}>
                    {/* Content goes here */}
                </div>
            </div>

            {/* Scrolling section */}
            <div id='section-2' className="another-section">
                {/* Content goes here */}
            </div>
        </>
    );
}

export default App;

In this code:

• We import necessary dependencies, including React, icons, and CSS styles.
• We define a functional component App.
• We use the useState hook to manage the state of isSection1Fixed, which determines whether the left column (section 1) should be fixed.
• We use the useEffect hook to add an event listener for scroll events. Inside the effect, we calculate the scroll position and determine whether section 1 should be fixed.
• We return JSX, which includes the sticky header, two-item container with left and right columns, and a scrolling section.

Now, let's delve into the CSS styles:

.header {
    width: 100%;
    height: 56px;
    background: #72a24d;
    top: 0;
    position: sticky; /* Keeps the header fixed at the top */
    z-index: 999;
    padding-left: 12px;
    padding-right: 12px;
}

.two-item-container {
    position: relative;
    margin-top: 50px; /* Ensures space below the sticky header */
    display: flex;
    flex-direction: row;
}

.item-one {
    width: 50%;
    background: #000;
    height: 500px;
}

.item-two {
    width: 50%;
    background: #970f0f;
}

.another-section {
    background: #136322;
}

@media (min-width: 768px) {
    .item-one {
        position: sticky; /* Makes the left column sticky on larger screens */
        top: 56px; /* Ensures it starts below the header */
    }
}

Here's what each CSS rule does:

• .header: Styles the sticky header with a background color, fixed position, and padding.
• .two-item-container: Sets up the layout for the two-column structure using flexbox.
• .item-one and .item-two: Styles the left and right columns with background colors and dimensions.
• .another-section: Styles the scrolling section with a background color.
• @media (min-width: 768px): Applies additional styles to the left column for larger screens, making it sticky below the header.

Determine if section 1 should be fixed

Let's break down the logic behind this conditional statement:

if (scrollTop > section1Top) {
    if (scrollTop < section2Top - window.innerHeight) {
        setIsSection1Fixed(true);
    } else {
        setIsSection1Fixed(false);
    }
} else {
    setIsSection1Fixed(false);
}

This code is responsible for determining whether the left column (section 1) should be fixed/sticky based on the user's scroll position.

Here's the breakdown of each part:

1. Outer Condition:

   if (scrollTop > section1Top) {
   

   This condition checks if the current scroll position (scrollTop) is greater than the top offset of section 1 (section1Top). In other words, it checks if the user has scrolled past the point where section 1 should become sticky.

2. Inner Condition:

   if (scrollTop < section2Top - window.innerHeight) {
   

   Inside the outer condition, this inner condition checks if the current scroll position is less than the top offset of section 2 (section2Top) minus the height of the viewport (window.innerHeight). This condition ensures that section 1 remains sticky until the top of section 2 approaches the bottom of the viewport. In other words, it checks if section 1 should remain sticky within the viewport's boundaries.

3. Setting State:

   • If both conditions are met (i.e., the user has scrolled past section 1 and hasn't reached section 2 yet), setIsSection1Fixed(true) is called. This means that section 1 should be fixed/sticky.
   • If the inner condition is not met (i.e., the user has scrolled past section 2 or reached the bottom of the viewport), setIsSection1Fixed(false) is called. This means that section 1 should not be fixed/sticky.
   • If the outer condition is not met (i.e., the user hasn't scrolled past section 1), setIsSection1Fixed(false) is called. This ensures that section 1 is not fixed/sticky when the user hasn't scrolled past it.

4. Fallback:

   } else {
       setIsSection1Fixed(false);
   }
   

   If the outer condition is not met (i.e., the user hasn't scrolled past section 1), this fallback ensures that isSection1Fixed is set to false. This handles the case where the user scrolls back up above section 1, ensuring that it's not fixed/sticky in that scenario.

This conditional statement dynamically updates the state isSection1Fixed based on the user's scroll position, ensuring that section 1 becomes sticky when needed and returns to its default position when appropriate.

Related Questions-

1-ScrollTrigger: Responsive Pin with Horizontal Scroll without (GSAP)​

2- How to set scrolling on product page just like flipkart?​

3- How can I make a div scroll with page and stop at footer?​

Conclusion: In conclusion, scrollable sections and sticky columns are powerful tools for improving usability and engagement on websites. By understanding the intricacies of their implementation using React and CSS, you can elevate your website's user experience to new heights. We encourage you to experiment with these features in your projects and embrace the transformative impact they can have on user satisfaction and retention.

Creating a Responsive Horizontal Scrolling Card Slider in Angular​

Introduction​

The aim is to create a reusable Angular component that represents a horizontal card slider with navigation arrows for scrolling through a set of cards.

Features​

We'll maintain the same functionalities as in the React example:

• Interactive functionality with navigation arrows for scrolling.
• Detection of the end of the slider for disabling the forward arrow.
• Default state initialization to the beginning.
• The component will be reusable and easily customizable.

Step-by-Step Guide​

Step 1: Set up the Angular project​

Create a new Angular project using the Angular CLI:

ng new angular-card-slider

Install Angular Material for styling:

ng add @angular/material

Step 2: Create the CardSlider component​

Generate a new Angular component named CardSlider using the Angular CLI:

ng generate component card-slider

Open the card-slider.component.html file and replace the content with the following code:

<div class="item-slider-container">
  <h4 class="px-3 mb-3 item-title">{{ title }}</h4>
  <div class="item-slider">
    <div (click)="slide(-100)" [ngClass]="{ 'is-disabled-hide': scrollX < 1 }" class="left-arrow-left">
      <mat-icon>keyboard_arrow_left</mat-icon>
    </div>
    <div #scrl (scroll)="scrollCheck()" class="item-container">
      <!-- Card items go here -->
    </div>
    <div (click)="slide(100)" [ngClass]="{ 'is-disabled-hide': scrollEnd }" class="right-arrow-right">
      <mat-icon>keyboard_arrow_right</mat-icon>
    </div>
  </div>
</div>

Step 3: Style the component​

Include the necessary CSS styles in the styles.scss file or your preferred styling file.

styles.scss:

.item-slider-container {
  background-color: #f0f0f0;
  box-shadow: 0px 0px 16px -8px rgb(0 0 0 / 68%);
}

.item-slider-container .item-title {
  border-bottom: 1px solid rgba(0, 0, 0, .1);
  padding-bottom: 15px;
}

.item-slider {
  padding: 0px 5px;
  justify-content: space-between;
  align-items: center;
  display: flex;
  position: relative;
}

.item-slider .item-container {
  display: inline-flex;
  justify-content: flex-start;
  overflow-x: scroll;
  padding: 0px 5px;
}

/* Rest of the styles remain the same */

Step 4: Implement the CardSlider logic​

Open the card-slider.component.ts file and replace the default code with:

card-slider.component.ts:

import { Component, ElementRef, ViewChild } from '@angular/core';

@Component({
  selector: 'app-card-slider',
  templateUrl: './card-slider.component.html',
  styleUrls: ['./card-slider.component.scss']
})
export class CardSliderComponent {
  @ViewChild('scrl') scrl: ElementRef | undefined;

  title = 'Top Deals';
  scrollX = 0;
  scrollEnd = false;

  slide(shift: number) {
    if (this.scrl) {
      this.scrl.nativeElement.scrollBy({
        left: shift,
        behavior: 'smooth'
      });

      this.scrl.nativeElement.scrollLeft += shift;
      this.scrollX += shift;

      this.scrollCheck();
    }
  }

  scrollCheck() {
    if (this.scrl) {
      this.scrollX = this.scrl.nativeElement.scrollLeft;
      this.scrollEnd = Math.floor(this.scrl.nativeElement.scrollWidth - this.scrl.nativeElement.scrollLeft) <= this.scrl.nativeElement.offsetWidth;
    }
  }
}

Step 5: Use the CardSlider component in your app​

In your desired Angular component (e.g., app.component.html), import and use the CardSlider component:

app.component.html:

<app-card-slider>
  <!-- Add card items here -->
</app-card-slider>

Replace the <-- Add card items here --> comment with your actual card items.

Conclusion​

By following these steps, you've created a responsive horizontal scrolling card slider in Angular that mimics the functionality of the React-based slider. You can further customize the styles and add more functionalities as per your requirements within your Angular application.

Introduction​

A card slider is an essential UI component that showcases multiple items within a confined space, commonly used in various applications like e-commerce platforms, portfolios, or content displays. In this tutorial, we'll create a responsive horizontal scrolling card slider in Vue.js without using any external library.

Features Overview​

Before we start the implementation, let's highlight the key features of our card slider:

• Interactive Functionality: Users can scroll through the cards using navigation arrows.
• End-of-Scroll Detection: The slider will disable the forward arrow when reaching the end.
• Default State: The slider initializes at the beginning by default.
• Reusable Component: Our component will be easily reusable and customizable.

Implementation Steps​

Step 1: Set Up the Vue Project​

If you haven't already set up a Vue project, you can use Vue CLI to create a new one:

vue create vue-card-slider

Step 2: Create the ItemsSlider Component​

Under the components directory, create a new file named ItemsSlider.vue. This file will contain the code for our card slider component.

<!-- components/ItemsSlider.vue -->

<template>
  <div class="item-slider-container">
    <h4 class="px-3 mb-3 item-title">{{ title }}</h4>
    <div class="item-slider">
      <div @click="slide(-100)" :class="{ 'is-disabled-hide': scrollX < 1 }" class="left-arrow-left">
        <MdArrowBackIos size="70px" />
      </div>
      <div ref="scrl" @scroll="scrollCheck" class="item-container">
        <slot></slot>
      </div>
      <div @click="slide(100)" :class="{ 'is-disabled-hide': scrollEnd }" class="right-arrow-right">
        <MdArrowForwardIos size="70px" />
      </div>
    </div>
  </div>
</template>

<script>
import { MdArrowForwardIos, MdArrowBackIos } from "vue-icons/md";

export default {
  name: 'ItemsSlider',
  components: {
    MdArrowForwardIos,
    MdArrowBackIos
  },
  data() {
    return {
      scrollX: 0,
      scrollEnd: false
    };
  },
  methods: {
    slide(shift) {
      this.$refs.scrl.scrollBy({
        left: shift,
        behavior: 'smooth'
      });

      this.$refs.scrl.scrollLeft += shift;
      this.scrollX += shift;

      if (Math.floor(this.$refs.scrl.scrollWidth - this.$refs.scrl.scrollLeft) <= this.$refs.scrl.offsetWidth) {
        this.scrollEnd = true;
      } else {
        this.scrollEnd = false;
      }
    },
    scrollCheck() {
      this.scrollX = this.$refs.scrl.scrollLeft;

      if (Math.floor(this.$refs.scrl.scrollWidth - this.$refs.scrl.scrollLeft) <= this.$refs.scrl.offsetWidth) {
        this.scrollEnd = true;
      } else {
        this.scrollEnd = false;
      }
    }
  },
  props: {
    title: String
  }
};
</script>

<style scoped>
/* Add your CSS styles here */
/* ... */
</style>

Step 3: Use the Component in App.vue​

In your App.vue file, import and use the ItemsSlider component by passing necessary props and card data:

<template>
  <div id="app">
    <ItemsSlider title="Top Deals">
      <div v-for="(item, index) in topDealsItems" :key="index">
        <!-- Your card content goes here -->
        <Card :title="item.title" :price="item.price" />
      </div>
    </ItemsSlider>
  </div>
</template>

<script>
import ItemsSlider from './components/ItemsSlider.vue';
import Card from './components/Card.vue'; // Assuming you have a Card component

export default {
  name: 'App',
  components: {
    ItemsSlider,
    Card
  },
  data() {
    return {
      topDealsItems: [
        { title: 'Item 1', price: 10 },
        { title: 'Item 2', price: 20 },
        { title: 'Item 3', price: 30 },
        // Add more items as needed
      ]
    };
  }
};
</script>

<style>
/* Add global styles here if needed */
/* ... */
</style>

Step 4: Create Card Component​

Create a Card.vue component under the components directory for individual card items:

<template>
  <div class="card">
    <!-- Your card content -->
    <h5>{{ title }}</h5>
    <p>{{ price }}</p>
    <!-- Add more card details if required -->
  </div>
</template>

<script>
export default {
  name: 'Card',
  props: {
    title: String,
    price: Number
    // Add more props as required
  }
};
</script>

<style scoped>
/* Card styles go here */
/* ... */
</style>

Conclusion​

Congratulations! You've successfully built a responsive horizontal scrolling card slider in Vue.js. This slider allows users to scroll through cards using navigation arrows and can be easily customized and reused across your Vue.js applications. Feel free to adjust the styles, add more functionalities, or customize according to your specific requirements. Happy coding!

Introduction: In the realm of web development and server-client communication, HTTP status codes play a crucial role in conveying the outcome of a request. Among the numerous status codes available, one stands out as arguably the most important: HTTP 200 OK. In this blog post, we will delve into the significance of this status code, its implications, and how it affects both developers and users alike.

Section 1: Understanding HTTP Status Codes​

HTTP status codes are three-digit numbers that indicate the outcome of a client's request to a server. They provide valuable information about the success, failure, or redirection of the request. The status codes are categorized into five classes:

• 1xx - Informational Responses
• 2xx - Successful Responses
• 3xx - Redirection Messages
• 4xx - Client Error Responses
• 5xx - Server Error Responses

1xx - Informational Responses:​

• 100 Continue: The server acknowledges that it has received the initial part of the request and is waiting for the client to send the remaining data.
• 101 Switching Protocols: The server agrees to switch protocols as specified in the client's upgrade request.

2xx - Successful Responses:​

• 200 OK: The request was successful, and the server has returned the requested resource.
• 201 Created: Indicates that the request resulted in the creation of a new resource.
• 202 Accepted: The request has been accepted for processing but may not be completed yet.
• 204 No Content: The server successfully processed the request, but there is no content to return.
• 206 Partial Content: The server is delivering only a portion of the resource due to a range header sent by the client.

3xx - Redirection Messages:​

• 300 Multiple Choices: Indicates that the requested resource has multiple choices available.
• 301 Moved Permanently: The requested resource has been permanently moved to a new location.
• 302 Found: The requested resource has been temporarily moved to a different location.
• 303 See Other: The response to the request can be found under a different URI.
• 304 Not Modified: Indicates that the client's cached copy of the resource is still valid.

4xx - Client Error Responses:​

• 400 Bad Request: The server could not understand the request due to malformed syntax or invalid parameters.
• 401 Unauthorized: The client must authenticate itself to access the requested resource.
• 403 Forbidden: The server understands the request but refuses to authorize it.
• 404 Not Found: The requested resource could not be found on the server.
• 405 Method Not Allowed: The requested method is not supported for the requested resource.

5xx - Server Error Responses:​

• 500 Internal Server Error: Indicates a generic server error occurred.
• 501 Not Implemented: The server does not support the functionality required to fulfill the request.
• 502 Bad Gateway: The server, acting as a gateway or proxy, received an invalid response from an upstream server.
• 503 Service Unavailable: The server is currently unable to handle the request due to a temporary overload or maintenance.
• 504 Gateway Timeout: The server, acting as a gateway or proxy, did not receive a timely response from an upstream server.

Section 2: Introducing HTTP 200 OK​

HTTP 200 OK is a status code that indicates a successful request. When a client sends a request to a server, and it processes the request successfully, it responds with HTTP 200 OK. This status code tells the client that the request has been understood, accepted, and the server is providing the requested resource.

HTTP 200 OK is widely used in various scenarios, such as retrieving web pages, fetching data from an API, submitting forms, and more. It is especially essential in the context of RESTful APIs, where successful responses often carry the requested data.

Section 3: Implications for Developers​

For developers, handling HTTP 200 OK is a fundamental part of building robust applications. When a request receives a 200 OK response, it implies that the operation was successful. Developers can process the response and extract the desired data or perform further actions based on the successful outcome.

Proper error handling is crucial in dealing with HTTP 200 OK. Developers must differentiate between successful responses and other status codes that indicate errors. Handling errors gracefully and providing appropriate feedback to users can significantly enhance the user experience.

When designing APIs, leveraging HTTP 200 OK as a standard for successful responses improves consistency and makes it easier for client applications to interpret and process the received data. It ensures that both developers and users have a clear understanding of the successful outcome.

Section 4: Impact on Users​

HTTP 200 OK has a direct impact on the user experience. When a user interacts with a website or application, a successful response with HTTP 200 OK ensures that the requested resource is delivered correctly. This contributes to a seamless browsing experience, allowing users to access the content they desire without interruptions.

Furthermore, website performance is closely tied to HTTP 200 OK responses. A fast and reliable server that consistently returns 200 OK ensures quick page load times and reduces the likelihood of encountering errors or timeouts.

Real-world examples demonstrate the importance of a successful response. E-commerce websites rely on HTTP 200 OK to display product details, process transactions, and update inventory. Social media platforms use this status code to retrieve user profiles, posts, and media content. Any disruption in the successful response flow can negatively impact user satisfaction and overall usability.

Section 5: Beyond the Basics​

While HTTP 200 OK is the standard status code for successful responses, there are variations and alternative success codes available. For instance:

• HTTP 201 Created: Indicates that the request resulted in the creation of a new resource.
• HTTP 202 Accepted: The request has been accepted for processing, but the operation might not be completed yet.

It's essential to consider specific requirements and the nature of the request when choosing the appropriate success code. Furthermore, certain exceptions and edge cases might lead to different status codes, even for successful responses. These scenarios need to be handled appropriately in order to maintain the integrity of the communication between clients and servers.

Conclusion:

HTTP 200 OK stands out as one of the most crucial status codes in the HTTP protocol. Understanding its purpose, implications, and best practices can greatly benefit both developers and users. By leveraging this status code effectively, developers can enhance their applications' reliability and responsiveness, while users can enjoy a seamless browsing experience. Mastering the art of handling HTTP 200 OK is an essential skill for anyone involved in web development and API design.

This blog post has provided an in-depth overview of HTTP 200 OK and its significance within the realm of web development. By grasping the importance of this status code and its role in successful client-server communication, developers can ensure a robust and user-friendly experience for their applications.

In today's digital landscape, users interact with numerous applications and systems that require authentication. Remembering multiple usernames and passwords for each of these systems can be cumbersome and time-consuming. This is where Single Sign-On (SSO) comes to the rescue. SSO simplifies the login process by allowing users to authenticate once and access multiple applications seamlessly. In this blog, we will explore the concept of SSO, its benefits, and how it can be implemented in real-life scenarios.

Table of Contents​

• Table of Contents
  1. What is Single Sign-On (SSO)?
  2. How Does SSO Work?
  3. Benefits of Implementing SSO
  4. Implementing Single Sign-On
  • 4.1. Centralized Authentication System
  • 4.2. Standards and Protocols
  • 4.3. Integration with Applications
  5. Real-Life Example: SSO in an Enterprise Environment
  • 5.1. Scenario and Challenges
  • 5.2. Implementing SSO Solution
  • 5.3. User Experience and Security Improvements
  6. Conclusion

1. What is Single Sign-On (SSO)?​

Single Sign-On (SSO) is an authentication mechanism that enables users to log in once and gain access to multiple applications or systems without the need to authenticate again for each individual resource. It provides a unified login experience, where a single set of credentials is used to access various services, improving convenience and productivity.

2. How Does SSO Work?​

At the core of SSO is a centralized authentication system, often referred to as an Identity Provider (IdP). When a user attempts to access an application or service, the IdP verifies their credentials. Upon successful authentication, the IdP issues a token or session identifier, which is then used to access other resources within the SSO ecosystem. The token serves as proof of the user's authentication and is typically validated by the service providers before granting access.

Here's an example to illustrate the process:

Let's say you are a user accessing an ecosystem of applications within your organization that has implemented SSO. When you attempt to log in to one of the applications, the following steps occur:

1. The user enters their username and password on the login page of the application.
2. The application (Service Provider) recognizes the need for authentication and redirects the user's request to the Identity Provider (IdP).
3. The IdP receives the authentication request and generates an authentication token.
4. The IdP securely sends the authentication token back to the Service Provider.
5. The Service Provider validates the received token to ensure its authenticity and integrity.
6. Upon successful validation, the Service Provider grants access to the user without requiring further credentials.
7. The user is now logged in to the application and can seamlessly navigate between different applications within the same ecosystem without encountering additional login prompts.
8. If the user decides to access another application, the subsequent application recognizes the existing authentication token.
9. The subsequent application redirects the user to the IdP to confirm the validity of the token.
10. The IdP validates the token and provides seamless access to the new application.

With this updated example, we've aligned the steps to match the Mermaid graph, emphasizing the flow of user authentication, token generation, and seamless access across multiple applications within the ecosystem.

The SSO process eliminates the need for repeated authentication for each application within the ecosystem. Once you have logged in successfully with SSO, you can navigate between applications without encountering additional login prompts, providing a seamless user experience.

It's important to note that the actual implementation details may vary depending on the SSO protocol used, such as SAML, OpenID Connect, or OAuth, jsonwebtoken(jwt).

3. Benefits of Implementing SSO​

Implementing SSO offers several advantages for both users and organizations:

• Improved User Experience: SSO eliminates the need for users to remember and manage multiple sets of credentials, reducing the friction of logging in. Users can seamlessly navigate between various applications without the hassle of repetitive logins.

• Enhanced Security: With SSO, organizations can enforce stronger authentication measures through the centralized IdP. This allows for the implementation of multi-factor authentication (MFA) or other security mechanisms, reducing the risk of unauthorized access.

• Centralized User Management: SSO simplifies user provisioning and deprovisioning processes. When a user joins or leaves an organization, their access to all integrated applications can be easily managed from a central location, ensuring efficient user lifecycle management.

• Increased Productivity: By reducing the time spent on authentication processes, SSO improves productivity for users and IT administrators. Users can focus on their tasks without being interrupted by frequent login prompts, while IT teams can allocate more time to other critical activities.

4. Implementing Single Sign-On​

Implementing SSO involves several key steps:

4.1. Centralized Authentication System​

To implement SSO, an organization needs to establish a centralized authentication system or identity provider (IdP). The IdP acts as the trusted authority that verifies user credentials and issues authentication tokens. The IdP should be highly secure and scalable to handle authentication requests from multiple applications and users.

4.2. Standards and Protocols​

SSO relies on industry-standard protocols such as Security Assertion Markup Language (SAML), OpenID Connect, or OAuth. These protocols define the communication flow between the IdP and the service providers (SPs). Organizations need to ensure that their applications and systems support these protocols to enable SSO integration.

4.3. Integration with Applications​

To enable SSO, applications and systems must be integrated with the IdP. This integration typically involves configuring the applications as service providers and establishing trust relationships with the IdP. The SPs need to understand and implement the chosen SSO protocol to handle authentication requests and validate tokens received from the IdP.

5. Real-Life Example: SSO in an Enterprise Environment​

5.1. Scenario and Challenges​

Let's consider a multinational company with various internal applications and services. Employees have to log in separately to access their email, project management tool, HR portal, and other systems. This results in productivity loss and password fatigue. Additionally, managing user access across these systems becomes a cumbersome task for the IT team.

5.2. Implementing SSO Solution​

To address these challenges, the company decides to implement an SSO solution. They choose to use SAML as the authentication protocol and select a robust and scalable IdP. The IT team configures the IdP and integrates it with the existing applications, configuring them as SPs.

During the integration process, the applications are configured to trust the IdP and communicate using SAML. This involves exchanging metadata between the IdP and SPs, defining attribute mappings, and configuring authentication policies. The IT team ensures that the user data is securely synchronized between the IdP and the SPs to maintain accurate access control.

5.3. User Experience and Security Improvements​

Once the SSO solution is implemented, employees experience a significant improvement in their user experience. They only need to authenticate once using their company credentials and gain seamless access to all integrated applications. Switching between different tools becomes effortless, saving time and reducing frustration.

From a security standpoint, the company strengthens authentication by enabling multi-factor authentication (MFA) through the IdP. This adds an extra layer of protection, ensuring that even if a user's password is compromised, unauthorized access can be prevented. Additionally, centralized user management simplifies provisioning and deprovisioning processes, reducing the risk of lingering access for former employees.

6. Conclusion​

Single Sign-On (SSO) simplifies authentication and enhances user experience by allowing users to log in once and access multiple applications seamlessly. By implementing SSO, organizations can improve productivity, enhance security, and streamline user management processes. With a centralized authentication system, adherence to industry-standard protocols, and integration with applications, SSO can be successfully implemented in various real-life scenarios, providing a unified and secure login experience for users.

Implementing SSO requires careful planning, selection of appropriate protocols, and integration with applications. However, the benefits of SSO far outweigh the initial effort, making it an essential authentication mechanism for modern organizations.

In this section, we will learn how to create a responsive horizontal scrolling card slider in ReactJS without using any library. The slider will allow us to display a set of cards horizontally and scroll through them using navigation arrows. We will implement this using React components and CSS.

Preview -​

Introduction​

Card sliders are a popular UI component used to showcase multiple items within a limited space. They are commonly used in e-commerce websites to display product listings, featured items, or recommended products. By making the slider horizontally scrollable, we can accommodate a larger number of cards without cluttering the screen.

Features​

Before we dive into the implementation, let's outline the features of our card slider:

1. Interactive functionality: Users can scroll through the cards using navigation arrows.
2. End-of-scroll detection: The slider will detect when it reaches the end, disabling the forward arrow.
3. Set default state on the first-time load: The slider will initialize at the beginning.
4. Reusable Component: The component will be reusable and easily customizable.

Implementation Steps​

Step 1: Set up the project​

To get started, create a new ReactJS project using your preferred setup (e.g., Create React App).

Prerequisite library for your project-​

1. Install react-bootstrap
2. Install react-icons

Note- You can change or remove above the library as per your convenience.

Step 2: Create the ItemsSlider component​

In your project under src, create a new file named ItemsSlider.jsx. This file will contain the code for our card slider component.

import React, { useState, useRef } from 'react';
import './style.css';
import { MdArrowForwardIos, MdArrowBackIos } from "react-icons/md";
import { Container } from 'react-bootstrap';

const ItemsSlider = ({ title, children }) => {
  let scrl = useRef(null);
  const [scrollX, setscrollX] = useState(0);
  const [scrollEnd, setScrollEnd] = useState(false);

  const slide = (shift) => {
    scrl.current.scrollBy({
      left: shift,
      behavior: 'smooth'
    });

    scrl.current.scrollLeft += shift;
    setscrollX(scrollX + shift);
    if (Math.floor(scrl.current.scrollWidth - scrl.current.scrollLeft) <= scrl.current.offsetWidth) {
      setScrollEnd(true);
    } else {
      setScrollEnd(false);
    }
  };

  const scrollCheck = () => {
    setscrollX(scrl.current.scrollLeft);
    if (Math.floor(scrl.current.scrollWidth - scrl.current.scrollLeft) <= scrl.current.offsetWidth) {
      setScrollEnd(true);
    } else {
      setScrollEnd(false);
    }
  };

  return (
    <Container fluid className='my-3 py-3 item-slider-container'>
      <h4 className='px-3 mb-3 item-title'>{title}</h4>
      <div className='item-slider'>
        <div onClick={() => slide(-100)} className={`left-arrow-left ${(scrollX < 1) ? 'is-disabled-hide' : ''}`}>
          <MdArrowBackIos size="70px" />
        </div>
        <div ref={scrl} onScroll={scrollCheck} className="item-container">
          {children}
        </div>
        <div className={`right-arrow-right ${(!scrollEnd) ? '' : 'is-disabled-hide'}`} onClick={() => slide(+100)}>
          <MdArrowForwardIos size="70px" />
        </div>
      </div>
    </Container>
  );
};

export default ItemsSlider;

Step 3: Style the component​

Next, create a CSS file named style.css to style our component ItemsSlider.jsx. It is imported in the ItemsSlider.jsx file.

.item-slider-container {
  background-color: var(--sp

-background-color);
  box-shadow: 0px 0px 16px -8px rgb(0 0 0 / 68%);
}

.item-slider-container .item-title {
  border-bottom: 1px solid rgba(0, 0, 0, .1);
  padding-bottom: 15px;
}

.item-slider {
  padding: 0px 5px;
  justify-content: space-between;
  align-items: center;
  display: flex;
  position: relative;
}

.item-slider .item-container {
  display: inline-flex;
  justify-content: flex-start;
  overflow-x: scroll;
  padding: 0px 5px;
}

.item-slider .item-container span {
  margin: 0px 10px;
}

.item-slider .item-container::-webkit-scrollbar {
  display: none;
}

.item-slider .left-arrow-left {
  position: absolute;
  left: 15px;
  cursor: pointer;
  z-index: 1;
}

.item-slider .right-arrow-right {
  position: absolute;
  right: 0px;
  cursor: pointer;
  z-index: 1;
}

.right-arrow-right>svg,
.left-arrow-left>svg {
  color: #c3c3c1;
}

.right-arrow-right svg:hover,
.left-arrow-left svg:hover {
  color: #5b5b5b;
  border-radius: 50%;
}

/* Card item styles */
.item-container .card {
  border: unset;
}

.item-container .card-title {
  font-size: 14px;
  font-weight: normal;
}

.item-container .card span {
  padding: 0;
  margin: 0;
}

.item-container .card .mrp-price {
  font-size: 14px;
  font-weight: normal;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 5px;
}

.item-container .card .save-price {
  font-size: 14px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  color: var(--sp-exam-button-color);
}

.item-container .card .actual-price {
  font-size: 14px;
  font-weight: 500;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

Step 4: Use the component​

Now, you can use the ItemsSlider component in your desired component by importing it and passing the necessary props. For Example - Here I am importing it app.jsx,

import React from 'react';
import { Card } from 'react-bootstrap';
import { BiRupee } from 'react-icons/bi';
import ItemsSlider from './ItemsSlider';

const App = () => {
  const topDealsItems = [
    { title: 'Item 1', price: 10 },
    { title: 'Item 2', price: 20 },
    { title: 'Item 3', price: 30 },
    // Add more items as needed
  ];

  return (
    <ItemsSlider title="Top Deals">
      {topDealsItems.map((item, index) => (
        <span key={index}>
          <Card style={{ width: '18rem' }}>
            <Card.Img variant="top" src={item.image} />
            <Card.Body>
              <Card.Title>{item.title}</Card.Title>
              <Card.Text>
                <span className='actual-price'><BiRupee size={20}/> {item.price}</span>
                <span className='mrp-price'>M.R.P. : <strike><BiRupee size={16} color={818181} />{item.price}</strike><span className='save-price

'>16% off</span></span>
                <span className='save-price'>Save<BiRupee size={16}/>{item.price}</span>
              </Card.Text>
            </Card.Body>
          </Card>
        </span>
      ))}
    </ItemsSlider>
  );
};

export default App;

Conclusion​

In this section, we have learned how to create a responsive horizontal scrolling card slider in ReactJS. By following the steps outlined above, you can implement this feature in your own ReactJS projects. Feel free to customize the styles and adapt the code to fit your specific requirements. Happy coding!

HTTP (Hypertext Transfer Protocol) is the foundation of data communication on the World Wide Web. It enables the exchange of information between a client (such as a web browser) and a server. In this blog post, we will explore HTTP requests and methods, their significance, types, advantages, disadvantages, and real-life examples. Whether you are a fresher or an experienced professional, this guide will help you grasp the essentials of HTTP requests and methods.

Table of Contents​

• What is an HTTP Request?
• How Does an HTTP Request Work?
• When Do We Use HTTP Requests?
• The Need for HTTP Methods
• Commonly Used HTTP Methods
• Advantages of HTTP Requests and Methods
• Disadvantages of HTTP Requests and Methods
• Tools for Working with HTTP Requests
• Real-Life Examples

Preview​

What is an HTTP Request?​

An HTTP request is a message sent by a client to a server, requesting a specific action to be performed. It serves as a way for clients to communicate with servers, making it possible to retrieve resources (such as web pages, images, or data) from the server. Each HTTP request contains important information, including the HTTP method, URL, headers, and optional request body.

How Does an HTTP Request Work?​

When a client (e.g., a web browser) wants to retrieve a web page, it sends an HTTP request to the server hosting that page. The request includes the necessary details, such as the URL of the page and the desired HTTP method. The server processes the request, performs the requested action (e.g., retrieving the page), and sends back an HTTP response containing the requested resource (or an error message if something goes wrong).

When Do We Use HTTP Requests?​

HTTP requests are used in various scenarios, including:

• Fetching web pages or resources from a server
• Submitting form data to a server
• Sending data to an API to perform specific actions
• Uploading files to a server
• Interacting with web services and APIs

The Need for HTTP Methods​

HTTP methods define the type of action that needs to be performed on a resource. They provide a standardized way for clients and servers to communicate their intentions. Without HTTP methods, it would be challenging to determine the desired operation for a particular request.

Commonly Used HTTP Methods​

HTTP defines several methods, each serving a specific purpose. The most commonly used ones are:

Advantages of HTTP Requests and Methods​

• Interoperability: HTTP requests and methods follow a standard protocol, making it easy for clients and servers to communicate with each other across different platforms and technologies.
• Statelessness: Each HTTP request is independent and does not rely on previous requests. This statelessness simplifies the design and scalability of web applications.
• Caching: HTTP supports caching mechanisms, allowing clients to cache responses and reduce the load on servers.
• Simplicity: The HTTP protocol is straightforward and easy to understand, making it accessible to beginners.

Disadvantages of HTTP Requests and Methods​

• Security: HTTP is not inherently secure, as the data exchanged between the client and server is not encrypted. HTTPS, a secure variant of HTTP, is recommended for sensitive data.
• Performance Overhead: HTTP headers and additional data can increase the size of requests and responses, potentially impacting performance, especially on slow networks.
• Limited Operations: HTTP methods are designed for basic operations, making them less suitable for complex transactions and business logic.

Tools for Working with HTTP Requests​

Several tools simplify working with HTTP requests:

• Postman: A popular API development environment that allows you to create, test, and document HTTP requests.
• cURL: A command-line tool for making HTTP requests and retrieving data from servers.
• Insomnia: A powerful REST client that aids in debugging and testing APIs.
• HTTPie: A user-friendly command-line HTTP client with intuitive syntax.

Real-Life Examples​

1. GET: A web browser sends a GET request to retrieve a news article from a server.

2. POST: A user submits a registration form on a website, and the form data is sent to the server via a POST request for processing.

3. PUT: An API client sends a PUT request to update a user's profile information on a server.

4. DELETE: An administrator uses a DELETE request to remove a user account from a system.

5. PATCH: An application sends a PATCH request to update a specific field (e.g., changing the email address) of a user's profile.

6. TRACE: A developer sends a TRACE request to diagnose and troubleshoot potential issues with intermediaries modifying the request.

7. CONNECT: A client establishes a secure SSL/TLS connection through a proxy server using a CONNECT request. Sure! Here are real-life examples with JavaScript code snippets for each of the commonly used HTTP methods:

8. GET: A web browser sends a GET request to retrieve weather data from a weather API from a server(weather API).

   fetch('https://api.weatherapi.com/v1/current.json?key=YOUR_API_KEY&q=New York')
     .then(response => response.json())
     .then(data => {
       console.log(data);
       // Process the weather data
     })
     .catch(error => {
       console.error('Error:', error);
     });
   

9. POST: A user submits a user registration form on a website, and the form data is sent to the server via a POST request for processing.

   const userData = {
     name: 'John Doe',
     email: 'johndoe@example.com',
     password: 'password123'
   };
   
   fetch('https://api.example.com/register', {
     method: 'POST',
     headers: {
       'Content-Type': 'application/json'
     },
     body: JSON.stringify(userData)
   })
     .then(response => response.json())
     .then(data => {
       console.log(data);
       // Process the registration response
     })
     .catch(error => {
       console.error('Error:', error);
     });
   

10. PUT: An API client sends a PUT request to update a user's profile information on a server.

    const updatedUserData = {
      name: 'John Smith',
      email: 'johnsmith@example.com'
    };
    
    fetch('https://api.example.com/users/123', {
      method: 'PUT',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify(updatedUserData)
    })
      .then(response => response.json())
      .then(data => {
        console.log(data);
        // Process the update response
      })
      .catch(error => {
        console.error('Error:', error);
      });
    

11. DELETE: Deleting a user account from a server.

    fetch('https://api.example.com/users/123', {
      method: 'DELETE'
    })
      .then(response => {
        if (response.ok) {
          console.log('User deleted successfully');
        } else {
          console.error('Error:', response.status);
        }
      })
      .catch(error => {
        console.error('Error:', error);
      });
    

12. PATCH: An application sends a PATCH request to update a specific field (e.g., changing the email address) of a user's profile.

    const updatedField = {
      email: 'newemail@example.com'
    };
    
    fetch('https://api.example.com/users/123', {
      method: 'PATCH',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify(updatedField)
    })
      .then(response => response.json())
      .then(data => {
        console.log(data);
        // Process the update response
      })
      .catch(error => {
        console.error('Error:', error);
      });
    

13. HEAD: Retrieving the headers of a resource without fetching the actual content.

    fetch('https://api.example.com/resource', {
      method: 'HEAD'
    })
      .then(response => {
        console.log(response.headers);
        // Process the headers
      })
      .catch(error => {
        console.error('Error:', error);
      });
    

14. OPTIONS: Real-Life Example: Fetching allowed methods and capabilities of a resource.

    fetch('https://api.example.com/resource', {
      method: 'OPTIONS'
    })
      .then(response => {
        console.log(response.headers.get('Allow'));
        // Process the allowed methods
      })
      .catch(error => {
        console.error('Error:', error);
      });
    

15. TRACE: A developer sends a TRACE request to diagnose and troubleshoot potential issues with intermediaries modifying the request.

    fetch('https://api.example.com/resource', {
      method: 'TRACE'
    })
      .then(response => response.text())
      .then(data => {
        console.log(data);
        // Process the trace response
      })
      .catch(error => {
        console.error('Error:', error);
      });
    

16. CONNECT: Real-Life Example: Establishing a secure SSL/TLS connection through a proxy. (Note: The CONNECT method cannot be directly executed from JavaScript code, as it is typically used by browsers internally.)

These examples demonstrate how to make HTTP requests using JavaScript's fetch function. You can replace the URLs and request payloads with your own API endpoints and data to make them work in your specific scenarios..

HTTP requests and methods play a crucial role in web development and API interactions. Understanding their concepts, advantages, and limitations is vital for both newcomers and experienced professionals. With the right tools and knowledge, you can efficiently work with HTTP requests and build robust web applications.

Now that you have a good understanding of HTTP requests and methods, you can dive deeper into their specifics and explore the vast world of web development and APIs.

Debugging is an essential part of the development process as it allows you to identify and fix issues in your code more effectively. In this blog post, we'll explore how to set up debugging in an Express.js application using Visual Studio Code (VS Code) and Nodemon. Let's get started!

Prerequisites​

Before we begin, make sure you have the following installed on your machine:

• Node.js and npm (Node Package Manager)
• VS Code (Visual Studio Code)

Step 1: Create an Express.js Application​

First, let's create a new directory for our Express.js application and navigate into it:

mkdir my-express-app
cd my-express-app

Next, initialize a new Node.js project by running the following command and following the prompts:

npm init -y

Create a new file called app.js and add the following code to set up a basic Express.js server:

const express = require('express');
const app = express();

app.get('/', (req, res) => {
  res.send('Hello, World!');
});

app.listen(3000, () => {
  console.log('Server is running on port 3000');
});

Step 2: Configure the VS Code Launch Configuration​

To enable debugging in VS Code, we need to configure the launch settings. Open the project in VS Code using the following command: Type following in the cmd prompt-

code .

To enable debugging in VS Code, follow these steps:

1. Open the project in VS Code.

2. Press Ctrl+Shift+D on your keyboard to open the Debug view in VS Code. Alternatively, you can click on the "Debug" icon in the left sidebar.

3. In the Debug view, you'll find a dropdown menu with a gear icon in the top left corner. Click on the gear icon to open the launch.json file.

4. If you already have a launch configuration file, make sure to select it. Otherwise, click on "Add Configuration" to create a new launch.json file.

5. In the launch.json file, you can replace the existing content with the following configuration:

{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "node",
      "request": "attach",
      "name": "Debug Express",
      "restart": true,
      "port": 9229
    }
  ]
}

6. Save the launch.json file.

Step 3: Install Nodemon and Update the npm Script​

Nodemon is a helpful tool that automatically restarts the Node.js application whenever changes are detected. Install Nodemon globally by running the following command:

npm install -g nodemon

Next, modify the "scripts" section in your package.json file to use Nodemon for starting the Express.js server:

"scripts": {
  "start": "nodemon --inspect=0.0.0.0:9229 app.js"
}

Step 4: Start the Express.js Application​

To start the Express.js application with Nodemon, open a terminal in VS Code (Ctrl+` ) and run the following command:

npm start

Step 5: Configure Chrome Browser for Debugging​

To debug the application in the browser, we need to configure Chrome for debugging. Follow these steps:

1. Open a new tab in Chrome and navigate to chrome://inspect.
2. Click on the "Configure" button under "Discover network targets."
3. Add localhost:9229 to the list of addresses.

Step 6: Start Debugging​

Now it's time to start the debugging process:

1. In VS Code, select the "Debug Express" configuration from the Debug dropdown menu (top left).
2. Click the green "Play" button to start debugging.
3. Set breakpoints in your code where you want to pause execution.

Step 7: Trigger a Browser Hit​

To test the debugging setup, open a new tab