Open links in new tab
    • The Knowledge Academy
      https://www.theknowledgeacademy.com › JavaScript
      About our ads

      JavaScript Training - Instructor Led & Self Paced

      SponsoredInhouse & Group Discounts, Corporate & Public Sector Bespoke Courses, Book by Card/PO. Become a JavaScript Expert with Specially Designed JavaScript Training. View More Offers!
  2. 123

    JavaScript is a versatile and widely-used programming language primarily known for its role in web development. It allows developers to create dynamic and interactive web pages, making it an essential skill for web developers. JavaScript is easy to learn and can be used for various purposes, including manipulating HTML elements, validating forms, and handling events.

    Basic Syntax and Usage

    JavaScript code can be embedded directly into HTML using the <script> tag. This tag can either contain the script directly or reference an external JavaScript file through the src attribute. Here is a simple example of JavaScript embedded in HTML:

    <!DOCTYPE html>
    <html>
    <head>
    <title>My First JavaScript</title>
    </head>
    <body>
    <h1 id="demo">Hello World!</h1>
    <button onclick="displayDate()">Click me to display Date and Time</button>

    <script>
    function displayDate() {
    document.getElementById("demo").innerHTML = Date();
    }
    </script>
    </body>
    </html>
    Copied!

    In this example, when the button is clicked, the displayDate function is called, which changes the content of the HTML element with the id "demo" to the current date and time.

    What is JavaScript & how does it work?

    JavaScript is a powerful programming language that can be used to add interactivity and dynamic functionality to HTML web pages. By integrating JavaScript with HTML, developers can create engaging user experiences, handle user input, and manipulate the Document Object Model (DOM).

    w3tutorials.net
    JavaScript Tutorial
    https://www.javascripttutorial.net
    JavaScript Tutorial
  1. W3School
    https://www.w3schools.com › Js

    JavaScript Tutorial - W3Schools

    JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2025 version. Start learning JavaScript now » With our Try it Yourself editor, you can edit the source code …

    • JavaScript has three kinds of popup boxes: Alert box Confirm box Prompt box Alert …

    • A JavaScript Set is a collection of unique values. Each value can only occur once in …

    • Assigned when Declared JavaScript const variables must be assigned a value when …

    • JSON object literals are surrounded by curly braces {}. JSON object literals contains …

    • What are Cookies? Cookies are data, stored in small text files, on your computer. …

    • Learn about JavaScript timing events, including setTimeout() and setInterval(), …

    • A common use of JSON is to exchange data to/from a web server. When …

    • Arrays in JSON are almost the same as arrays in JavaScript. In JSON, array …

    See results only from w3schools.com
  2. JavaScript Tutorial
    https://www.javascripttutorial.net

    JavaScript Tutorial

    JavaScript Tutorial provides you with many practical tutorials that help you learn JavaScript from scratch quickly and effectively.

  4. Mozilla Developer
    https://developer.mozilla.org › en-US › docs › Web › JavaScript

    JavaScript - MDN Web Docs

    • JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-…
      JavaScript's dynamic capabilities include runtime object construction, variable parameter lists, function variables, dynamic script creation (via eval), object introspection (via for...in and Object utilities), and source-code recovery (JavaScript functions store their source text and can be retrieved through toStrin…
    • This section is dedicated to the JavaScript language itself, and not the parts that are specific to Web p…
      The standards for JavaScript are the ECMAScript Language Specification (ECMA-262) and the ECMAScript Internationalization API specification (ECMA-402). As soon as one browser implements a feature, we try to document it. This means that cases where some proposals for new ECMAScript featu…
    See more on developer.mozilla.org
  5. GeeksForGeeks
    https://www.geeksforgeeks.org › javascript

    JavaScript Tutorial - GeeksforGeeks

    Mar 13, 2026 · The javaScript Coding Practice Problems page offers exercises for all skill levels, covering basic Numbers, String to advanced structures like Stack, …

  6. JavaScript.com
    https://www.javascript.com

    Learn JavaScript Online - Courses for Beginners - javascript.com

    You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine.

  7. 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 …

  8. People also ask
    Unable to load answer

    Feedback
  9. w3tutorials.net
    https://www.w3tutorials.net › javascript-tutorial

    Getting Started with JavaScript: Your First Script

    In this blog post, we’ll guide you through the process of creating your first JavaScript script, covering fundamental concepts, usage methods, common practices, and best practices.

  10. 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.

Content was generated with AI. Learn more