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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.
Mar 14, 2024 · JavaScript on MDN. The main entry point for core JavaScript documentation on MDN — this is where you'll find extensive reference docs on all aspects of the JavaScript language, and some advanced tutorials aimed at experienced JavaScripters. Learn JavaScript
May 25, 2017 · The JavaScript documentation on MDN includes the following: Learning the Web provides information for beginners and introduces basic concepts of programming and the Internet. JavaScript Guide (this guide) provides an overview about the JavaScript language and its objects. JavaScript Reference provides detailed reference material for JavaScript.
Jun 13, 2017 · JavaScript is an easy to learn and also powerful scripting language, widely used for controlling web page behaviour. Contrary to popular misconception, JavaScript is not "Interpreted Java". In a nutshell, JavaScript is a dynamic scripting language supporting prototype based object construction.
Jul 15, 2017 · Functions are one of the fundamental building blocks in JavaScript. A function is a JavaScript procedure—a set of statements that performs a task or calculates a value. To use a function, you must define it somewhere in the scope from which you wish to call it.
5 days ago · An Introduction to JavaScript. Manuals and specifications. Code editors. Developer console. JavaScript Fundamentals. Hello, world! Code structure. The modern mode, "use strict" Variables. Data types. Interaction: alert, prompt, confirm. Type Conversions. Basic operators, maths. Comparisons. Conditional branching: if, '?' Logical operators.
May 1, 2023 · The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a look at the JavaScript reference.
