Firefox Ecmascript 5 Support

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ECMAScript 5 support in Mozilla - JavaScript MDN

    https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/ECMAScript_5_support_in_Mozilla
    Mar 24, 2019 · ECMAScript 5.1, an older version of the standard upon which JavaScript is based, was approved in June 2011. The JavaScript runtime used in the latest versions of Mozilla projects including both Firefox and Thunderbird has full support for ECMAScript 5.1 features.

ECMAScript 2015 support in Mozilla - JavaScript MDN

    https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/ECMAScript_2015_support_in_Mozilla
    Mar 24, 2019 · ECMAScript 2015 is the sixth edition of the ECMAScript Language Specification standard. It defines the standard for the JavaScript implementation in SpiderMonkey, the engine used in Firefox and other Mozilla applications.

New in JavaScript - JavaScript MDN - MDN Web Docs

    https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript
    Mar 24, 2019 · Learn more about the ECMAScript standards on which the JavaScript language is based on. ECMAScript 5 support Implementation status for the current standard ECMA-262 Edition 5.1 in Mozilla-based engines and products. ECMAScript 2015 support Implementation status for the draft ECMA-262 Edition 6 (ES2015) in Mozilla-based engines and products.

ECMAScript 2016 to ES.Next support in Mozilla - Archive of ...

    https://developer.mozilla.org/en-US/docs/Archive/Web/JavaScript/ECMAScript_Next_support_in_Mozilla
    May 23, 2019 · ECMAScript Next refers to new features of the ECMA-262 standard (commonly referred to as JavaScript) introduced after ECMAScript 2015. New versions of ECMAScript specifications are released yearly. So far, ES2016, ES2017, and ES2018 have been released. This year, the ES2019 specification will be released and ES2020 is the current ECMAScript draft specification.

ECMAScript 6 support in Mozilla - JavaScript MDN

    https://developer.mozilla.org/ca/docs/Web/JavaScript/New_in_JavaScript/ECMAScript_6_support_in_Mozilla
    Mar 24, 2019 · ECMAScript 6 support in Mozilla. Languages. English (US) (en-US) Deutsch (de) Español (es) ... implemented in Firefox, but were introduced long before ES2015 or are still discussed in the ECMA TC39 standards body. Legacy iterators and ... ECMAScript 6 support in Mozilla; ECMAScript 5 support in Mozilla; ECMAScript Next support in ...

ECMAScript 2016+ in Firefox JavaScript

    https://blog.mozilla.org/javascript/2017/02/22/ecmascript-2016plus-in-firefox/
    ECMAScript 2016. ECMAScript 2016 is the latest stable edition of the ECMAScript specification. ECMAScript 2016 introduces two new features, the Exponentiation Operator and Array.prototype.includes, and also contains various minor changes. New Features Exponentiation Operator. Status: Available from Firefox 52 (now Beta, will ship in March 2017).

Firefox JavaScript changelog - JavaScript MDN

    https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/Firefox_JavaScript_changelog
    Mar 18, 2019 · Support for the Weakmap.prototype.clear() method, recently added to the Harmony (EcmaScript 2015) draft proposal has been added (bug 814562). Support for the Math.imul() method, a C-style 32-bit multiplication function. Though proposed for Harmony (EcmaScript 2015) it has not yet accepted and still is non-standard (bug 808148).

ECMAScript 5 compatibility table - GitHub Pages

    http://kangax.github.io/compat-table/es5/
    ECMAScript 5 6 2016+ next intl non-standard compatibility table. by kangax & webbedspace & zloirock. Sort by Show obsolete platforms Show unstable platforms V8 SpiderMonkey JavaScriptCore Chakra Carakan KJS Other ⬤ Minor difference (1 point) ⬤ Small feature (2 points) ⬤ Medium ...

ECMAScript Next compatibility table - GitHub Pages

    http://kangax.github.io/compat-table/esnext/
    ECMAScript 5 6 2016+ next intl non-standard compatibility table by kangax & webbedspace & zloirock This table shows proposals which have not yet been included in the current ECMAScript standard, but are at one of the maturity stages of the TC39 process .

ECMAScript 6 compatibility table - GitHub Pages

    https://kangax.github.io/compat-table/es6/
    ECMAScript 5 6 2016+ next intl non-standard compatibility table by kangax & webbedspace & zloirock Sort by Engine types Features Flagged features Show obsolete platforms Show unstable platforms



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