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  1. 123

    JavaScript is a versatile language used for creating dynamic, interactive web applications. It can manipulate HTML, handle events, perform calculations, and interact with APIs. Below are some practical examples covering variables, functions, DOM manipulation, and events.

    Example 1: Variables and Basic Operations

    // Declaring variables
    let a = 10;
    let b = 5;

    // Arithmetic operation
    let sum = a + b;
    console.log("Sum:", sum); // Output: Sum: 15
    Copied!

    This demonstrates variable declaration using let and performing arithmetic operations.

    Example 2: Functions

    // Function to convert Celsius to Fahrenheit
    function celsiusToFahrenheit(celsius) {
    return (celsius * 9/5) + 32;
    }

    console.log(celsiusToFahrenheit(25)); // Output: 77
    Copied!

    Functions in JavaScript can take parameters and return values, making them reusable for different inputs.

    Example 3: DOM Manipulation

    // Change text content of an element
    document.getElementById("demo").innerHTML = "Hello JavaScript!";
    Copied!

    This modifies the HTML element with id="demo" dynamically.

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  2. Programiz
    https://www.programiz.com › javascript › examples

    JavaScript Examples - Programiz

    The best way to learn JavaScript is by practicing examples. The page contains examples on basic concepts of JavaScript. You are advised to take the references from these examples and try them on …

    See results only from programiz.com
  3. W3School
    https://www.w3schools.com › js › js_examples.asp

    JavaScript Examples - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  4. GeeksForGeeks
    https://www.geeksforgeeks.org › javascript › javascript-exa…

    JavaScript Programming Examples - GeeksforGeeks

    Feb 21, 2026 · This section features essential ES6 JavaScript programming examples. Whether you’re just starting or have mastered JavaScript, these …

  5. TutorialsPoint
    https://www.tutorialspoint.com › javascript › javascript_examples.htm

    JavaScript Examples - Online Tutorials Library

    These JavaScript examples are organized by topics and arranged from easy to difficult questions. Solving questions based on these topics will help improve your JavaScript problem-solving capabilities.

  6. Tutorial Republic
    https://www.tutorialrepublic.com › javascript-examples.php

    JavaScript Examples - Tutorial Republic

    An extensive collection of JavaScript examples covering topics like data types, conditional statements, loops, functions, objects, DOM, math, data and time, etc. to help you understand how JavaScript is …

  8. Free Frontend
    https://freefrontend.com › javascript-code-examples

    JavaScript Examples - Free Frontend

    Here, you’ll find a comprehensive collection of JavaScript examples designed to enhance your web projects. Our selection includes practical implementations of Background Effects, Buttons, Carousels, …

  9. Quackit Tutorials
    https://www.quackit.com › javascript › examples

    JavaScript Examples - Quackit Tutorials

    This page contains JavaScript examples - examples of JavaScript tricks that you can use for your own website. You can use any of these examples by copying and pasting the code straight into your website.

  10. The Modern JavaScript Tutorial
    https://javascript.info

    The Modern JavaScript Tutorial

    2 days ago · Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented …

  11. WsCube Tech
    https://www.wscubetech.com › resources › javascript › programs

    JavaScript Programs (JS Code Examples With Output)

    Whether you're just starting your coding journey or looking to expand your programming skills, this category offers a comprehensive collection of JavaScript program examples.

  12. Github
    https://github.com › mdn › js-examples

    GitHub - mdn/js-examples: Code examples that accompany the MDN ...

    15 rows · Code examples that accompany the MDN JavaScript/ECMAScript documentation - mdn/js-examples

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