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var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...
When a web page is loaded, the browser creates a Document Object Model of the page, which is an object oriented representation of an HTML document that acts as an interface between JavaScript and the document itself. This allows the creation of dynamic web pages, [13] because within a page JavaScript can:
Download QR code; Print/export ... move to sidebar hide. Help. js-5: This user is a professional JavaScript programmer. The main ... Pages in category "User js-5"
Code folding: Yes Yes [5] No Some [6] No No No No No No Yes Code snippets Yes through API/add-on Some type 'for' or 'if' then Tab No Yes No Yes JavaScript Code suggestion Yes example: Yes through esprima content assist plugin: No yes [citation needed] No CSS, HTML, JavaScript) Yes Toggle syntax highlight on/off Yes Yes No last example in demo ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 February 2025. High-level programming language Not to be confused with Java (programming language), Javanese script, or ECMAScript. JavaScript Screenshot of JavaScript source code Paradigm Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented Designed by Brendan Eich of ...
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On 28 October 2014, HTML5 was released as a W3C Recommendation, [32] bringing the specification process to completion. [5] On 1 November 2016, HTML 5.1 was released as a W3C Recommendation. [33] On 14 December 2017, HTML 5.2 was released as a W3C Recommendation. [34]
It is best known as a JavaScript standard intended to ensure the interoperability of web pages across different web browsers. [2] It is standardized by Ecma International in the document ECMA-262 . ECMAScript is commonly used for client-side scripting on the World Wide Web , and it is increasingly being used for server-side applications and ...