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Test262.report documented the conformance of JavaScript runtimes from 2018 to 2023. That mantle has now been taken up by test262.fyi, which you should visit for current data. If you'd like historic data from test262.report, please email [email protected]
This document discusses recent compatibility table issues raised by @teppeis. It provides a link to a GitHub page containing an ES6 compatibility table and outlines updates made including new specs, ES modules, test262 integration, and UI improvements. It encourages contributions to further improve the table.Read less
HTML5 Accessibility Get the current accessibility support status of HTML5 features across major browsers. Editorâs draft, August 2020 Chrome 84 on Windows 10 98.5% Edge 80 on Windows 10 100% Firefox 80 on Windows 10 94% Internet Explorer 11 on Windows 10 56% Safari 13 on Mac OS 97% This site tests which newish HTML5 features are accessibly supported by major browsers. This includes if they are key
babel-preset-env is a new preset that lets you specify an environment and automatically enables the necessary plugins. The problem  # At the moment, several presets let you determine what features Babel should support: babel-preset-es2015, babel-preset-es2016, etc.: incrementally support various versions of ECMAScript. es2015 transpiles whatâs new in ES6 to ES5, es2016 transpiles whatâs new in ES2
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