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1. developer.mozilla.org › en-US › docsJavaScript | MDN - MDN Web Docs

   developer.mozilla.org › en-US › docs

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   Mar 5, 2024 · JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat.

2. developer.mozilla.org › en-US › docsWhat is JavaScript? - Learn web development | MDN

   developer.mozilla.org › en-US › docs

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   Jan 24, 2024 · JavaScript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, etc. — you can bet ...

3. javascript.info › introAn Introduction to JavaScript

   javascript.info › intro

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   Aug 8, 2022 · JavaScript was initially created as a browser-only language, but it is now used in many other environments as well. Today, JavaScript has a unique position as the most widely-adopted browser language, fully integrated with HTML/CSS. There are many languages that get “transpiled” to JavaScript and provide certain features.

4. web.dev › learn › javascriptIntroduction to JavaScript | web.dev

   web.dev › learn › javascript

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   Mar 31, 2024 · Weak typing. JavaScript is a weakly typed language, which means a data value doesn't need to be explicitly marked as a specific data type . Unlike a strongly typed language, JavaScript can infer the intended type from a value's context and convert the value to that type. This process is called type coercion.

5. www.wikiwand.com › en › JavaScriptJavaScript - Wikiwand

   www.wikiwand.com › en › JavaScript

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   JavaScript, often abbreviated as JS, is a programming language and core technology of the Web, alongside HTML and CSS. 99% of websites use JavaScript on the client side for webpage behavior.

6. en.wikipedia.org › wiki › JavaScript_syntaxJavaScript syntax - Wikipedia

   en.wikipedia.org › wiki › JavaScript_syntax

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   The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .

7. en.wikipedia.org › wiki › JavaScript_engineJavaScript engine - Wikipedia

   en.wikipedia.org › wiki › JavaScript_engine

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   A JavaScript engine is a software component that executes JavaScript code. The first JavaScript engines were mere interpreters, but all relevant modern engines use just-in-time compilation for improved performance. JavaScript engines are typically developed by web browser vendors, and every major browser has one