Javascript Es5 Browser Support

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ECMAScript 5 compatibility table - GitHub Pages

    http://kangax.github.io/compat-table/es5/
    Specifically, `0 in [,]` and `0 in [undefined]` both yield false - whereas in a compliant browser, the former would give `false`, the latter `true`. As such, ES5 array iteration methods can only be shimmed reliably when dealing with dense arrays. [8] IE10 PP2 fails this test.

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 5 - JavaScript 5

    https://www.w3schools.com/js/js_es5.asp
    The JavaScript function JSON.parse() is used to convert the text into a JavaScript object: ... The \ method might not have universal support. Older browsers might treat the spaces around the backslash differently. ... Browser Support for ES5 (ECMAScript 5) Chrome 23, IE 10, and Safari 6 were the first browsers to fully support ECMAScript 5: ...

javascript - Confirming ES5 support - Stack Overflow

    https://stackoverflow.com/questions/20545591/confirming-es5-support
    Because there's no such thing as "ES5" browser. "ES5" is not a boolean value that could be evaluated. As you've seen from the compat. tables, ES5 is a pretty big set of features. And those features were implemented by different browsers/platforms in chunks, at various times, and with various compliance.

Understanding ES5, ES2015 and TypeScript

    https://johnpapa.net/es5-es2015-typescript/
    Mar 20, 2016 · For a long time we didn’t need transpilers. The Web used JavaScript and most folks who wrote in ES3 and ES5 used jQuery to handle any cross browser issues. When ES5 came along, not much changed there. For a long period of years in Web development we had a stable set of JavaScript features that most browsers understood.

JavaScript Versions

    https://www.w3schools.com/Js/js_versions.asp
    JavaScript was developed for Netscape. Netscape 2 was the first browser to run JavaScript. After Netscape the Mozilla foundation continued to develop JavaScript for the Firefox browser. The latest JavaScript version was 1.8.5. (Identical to ECMAScript 5). ECMAScript was developed by ECMA International after the organization adopted JavaScript.

Can I use... Support tables for HTML5, CSS3, etc

    https://caniuse.com/
    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

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 …

Classes - JavaScript MDN

    https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes
    JavaScript classes, introduced in ECMAScript 2015, are primarily syntactical sugar over JavaScript's existing prototype-based inheritance. The class syntax does not introduce a new object-oriented inheritance model to JavaScript. ... Support in browsers is limited, but the feature can be used through a build step with systems like Babel. Public ...



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