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https://www.w3schools.com/Js/js_versions.asp
JavaScript Versions Previous Next ... IE 5 was the first browser to support ECMAScript 2 (1999). IE 5.5 was the first browser to support ECMAScript 3 (2000). IE 9* was the first browser to support ECMAScript 5 (2011). Internet Explorer 9 does not support ECMAScript 5 "use strict".
https://stackoverflow.com/questions/4063953/support-of-different-javascript-versions-in-browsers
Wikipedia has a pretty good chart of browser/versions, check it out here. Note: JavaScript isn't the only ECMAScript implementation, and JavaScript (the standard maintained by Mozilla) and JavaScript the language (more general, sometimes inaccurately used, term) are not the same thing, for example IE's implementation is called JScript.
https://stackoverflow.com/questions/34908141/browser-support-for-javascript-versions?noredirect=1
Jan 20, 2016 · By the way, I did see the Wikipedia page on JavaScript versions and it doesn't seem to correspond to the results I get when I run the code snippet above. My results are: Firefox 43.0.4 - reports as supporting JavaScript 1.0 through 1.5 IE 10.0.9200.17566 - reports as supporting JavaScript 1.1 through 1.3
https://stackoverflow.com/questions/34908141/browser-support-for-javascript-versions
Browser support for JavaScript versions. Ask Question Asked 3 years, 10 months ago. Active 3 years, 10 months ago. Viewed 3k times 0. We are starting a project and want to be cross-browser compatible - this would seem to suggest that we need to ensure that the version of JavaScript we're using is works in all of the browsers we intend to ...
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions
An arrow function expression is a syntactically compact alternative to a regular function expression, although without its own bindings to the this, arguments, super, or new.target keywords. Arrow function expressions are ill suited as …52%
https://www.w3schools.com/Js/js_es6.asp
Arrow functions do not have their own this.They are not well suited for defining object methods.. Arrow functions are not hoisted. They must be defined before they are used.. Using const is safer than using var, because a function expression is always constant value.. You can only omit the return keyword and the curly brackets if the function is a single statement.
https://stackoverflow.com/a/34908253
Browser support for JavaScript versions. Ask Question Asked 4 years ago. Active 4 years ago. Viewed 3k times 0. We are starting a project and want to be cross-browser compatible - this would seem to suggest that we need to ensure that the version of JavaScript we're using is works in all of the browsers we intend to support. Is the following a ...
Nov 04, 2019 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. The design used as of 2014 was largely created by Lennart Schoors. FAQ
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Browser_support_for_JavaScript_APIs
Browser support for JavaScript APIs. Mozilla. ... Expect poor cross-browser support. Non-standard. Expect poor cross-browser support. Deprecated. Not for use in new websites. Deprecated. Not for use in new websites. See implementation notes. See implementation notes. extensionTypes.
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.
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