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  1. Copilot Search Branding
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    Yes, JavaScript is indeed a programming language. It is a high-level, interpreted language that conforms to the ECMAScript standard. JavaScript is one of the core technologies of the World Wide Web, alongside HTML and CSS, and is used by 99% of websites for client-side webpage behavior.

    Key Features of JavaScript

    JavaScript is a multi-paradigm language, supporting event-driven, functional, and imperative programming styles. It has dynamic typing, prototype-based object-orientation, and first-class functions. JavaScript engines, which execute the code, are embedded in web browsers, allowing for interactive web pages.

    Example of JavaScript Code

    Here is a simple example of JavaScript code that changes the text content of a button when it is clicked:

    const button = document.querySelector("button");

    button.addEventListener("click", updateName);

    function updateName() {
    const name = prompt("Enter a new name");
    button.textContent = `Player 1: ${name}`;
    }
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    In this example, the addEventListener method is used to attach a click event to the button. When the button is clicked, the updateName function is called, which prompts the user to enter a new name and updates the button's text content.

    What is JavaScript JS?
    JavaScript (JS) [a] is a programming language and core technology of the Web, alongside HTML and CSS. It was created by Brendan Eich in 1995. As of 2025, the overwhelming majority of websites (98.9%) uses JavaScript for client side webpage behavior. Web browsers have a dedicated JavaScript engine that executes the client code.
    en.wikipedia.org
    Mozilla Developer
    https://developer.mozilla.org/.../Learn_web_development/Core/Scriptin…
    What is JavaScript? - Learn web development | MDN
  1. Wikipedia
    https://en.wikipedia.org › wiki › JavaScript

    JavaScript - Wikipedia

    JavaScript ( / ˈdʒɑːvəskrɪpt / ), often abbreviated as JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. As o…
    History

    Creation at Netscape The first popular web browser with a graphical user interface, Mosaic, was released in 1993. Accessible to non-technical people, it played a prominent role in the rapid growth of the nascent World Wide Web. The lead develo…

    Trademark

    "JavaScript" is a trademark of Oracle Corporation in the United States. The trademark was originally issued to Sun Microsystems on 6 May 1997, and was transferred to Oracle when they acquired Sun in 2009.

  2. Mozilla Developer
    https://developer.mozilla.org › ... › What_is_JavaScript

    What is JavaScript? - Learn web development | MDN

    Jan 12, 2026 · JavaScript is a lightweight interpreted programming language. The web browser receives the JavaScript code in its original text form and runs the …

  3. The Modern JavaScript Tutorial
    https://javascript.info › intro

    An Introduction to JavaScript

    Jul 23, 2024 · JavaScript is a language that can make web pages alive and interactive. It can also run on servers, mobile devices and other environments. …

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  5. GeeksForGeeks
    https://www.geeksforgeeks.org › javascript

    JavaScript Tutorial - GeeksforGeeks

    Mar 13, 2026 · It is a lightweight, cross-platform, and single-threaded programming language. It's an interpreted language that executes code line by line, providing …

  6. Britannica
    https://www.britannica.com › technology › JavaScript

    JavaScript | History, Applications, & Facts | Britannica

    Mar 2, 2026 · JavaScript, computer programming language that is a mainstay of web development, enabling the creation of complex features and interactivity in websites and web applications, as well …

  7. JavaScript Tutorial
    https://www.javascripttutorial.net › what-is-javascript

    What is JavaScript

    JavaScript is a programming language initially designed to interact with elements of web pages. Within web browsers, JavaScript consists of three main parts: ECMAScript provides the core functionality. …

  8. Hostinger
    https://www.hostinger.com › tutorials › what-is-javascript

    What is JavaScript? A beginner’s guide to JS basics

    Sep 11, 2025 · JavaScript (JS) is a lightweight, interpreted scripting language that creates dynamic and interactive content on websites. It handles everything from …

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  10. Deep dive into Is JavaScript a Programming Language

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