Search results
Results from the WOW.Com Content Network
The ECMAScript specification is a standardized specification of a scripting language developed by Brendan Eich of Netscape; initially named Mocha, then LiveScript, and finally JavaScript. [7] In December 1995, Sun Microsystems and Netscape announced JavaScript in a press release. [ 8 ]
ECMAScript is a JavaScript standard developed by Ecma International. Since 2015, major versions have been published every June. Since 2015, major versions have been published every June. ECMAScript 2024, the 15th and current version, was released in June 2024.
An ECMAScript engine is a software platform that can run code written in ECMAScript, a programming language more commonly known as JavaScript. More formally, an ECMAScript engine is, at least in part, a "conforming implementation" of the ECMAScript programming language specified by the ECMA-262 international standard.
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 ...
Babel is a free and open-source JavaScript transcompiler that is mainly used to convert ECMAScript 2015+ (ES6+) code into backwards-compatible JavaScript code that can be run by older JavaScript engines. It allows web developers to take advantage of the newest features of the language. [4]
Since ECMAScript is the standardized specification of JavaScript, ECMAScript engine is another name for these implementations. With the advent of WebAssembly , some engines can also execute this code in the same sandbox as regular JavaScript code.
JavaScript's nearest operator is ??, the "nullish coalescing operator", which was added to the standard in ECMAScript's 11th edition. [14] In earlier versions, it could be used via a Babel plugin, and in TypeScript .
JScript 10.0 [5] is a separate dialect, also known as JScript .NET, which adds several new features from the abandoned fourth edition of the ECMAScript standard. It must be compiled for .NET Framework version 2 or version 4, but static type annotations are optional.