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JavaScript-based web application frameworks, such as React and Vue, provide extensive capabilities but come with associated trade-offs. These frameworks often extend or enhance features available through native web technologies, such as routing, component-based development, and state management.
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 ...
React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library [5] [6] that aims to make building user interfaces based on components more "seamless". [5] It is maintained by Meta (formerly Facebook) and a community of individual developers and companies.
Version 5.0 of the Ext JS framework was released on June 2, 2014. [16] It includes the ability to build desktop apps on touch-enabled devices [ 17 ] —using a single code base, a Model View ViewModel ( MVVM ) architecture, two-way data binding, responsive layouts, and other component upgrades with support for adding widgets inside a grid cell ...
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 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 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 ...
HTML 5.1: 17 December 2012: 21 June 2016: 1 November 2016: 28 January 2021 [43] HTML 5.1 2nd Edition — 20 June 2017: 3 October 2017 HTML 5.2: 18 August 2016: 8 August 2017: 14 December 2017: 28 January 2021 [3] HTML 5.3: 14 December 2017 [44] — — 28 January 2021 [40]