ECMAScript (/ ˈɛkməskrɪpt /; ES) [1] is the standard for the JavaScript language, intended to ensure the interoperability of web pages across different web browsers. [a][2] It is standardized by Ecma …

Mar 1, 2019 · ECMAScript 2016 was the first ECMAScript edition released under Ecma TC39's new yearly release cadence and open development process. A plain-text source document was built from …

ECMA-262 ECMAScript® 2025 language specification 16th edition, June 2025 This Standard defines the ECMAScript 2025 general-purpose programming language. Kindly note that the normative copy …

Jul 11, 2025 · ECMAScript is a scripting language specification on which JavaScript is based. Ecma International is in charge of standardizing ECMAScript.

ECMAScript version history ECMAScript is a JavaScript standard developed by Ecma International. Since 2015, major versions have been published every June. ECMAScript 2025, the 16th and …

2 days ago · Introduction This Ecma Standard defines the ECMAScript 2027 Language. It is the eighteenth edition of the ECMAScript Language Specification. ECMAScript is based on several …

New Features in JavaScript 2025 The 16th edition of the ECMAScript standard, released in June 2025, includes several enhancements to make JavaScript more readable and efficient.

Apr 2, 2025 · Introduction This Ecma Standard defines the ECMAScript 2025 Language. It is the sixteenth edition of the ECMAScript Language Specification. Since publication of the first edition in …

Ecma International's TC39 is a group of JavaScript developers, implementers, academics, and more, collaborating with the community to maintain and evolve the definition of JavaScript. Our website …

Feb 2, 2026 · Learn how to use the ECMAScript Internationalization API (Intl object) to format dates, numbers, currencies, and more for global audiences.