[AskJS] Is there a JavaScript library that will test all ES features on your browser and tell you which it supports and which it doesn't?

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  • ECMAScript 6 compatibility table

    ECMAScript compatibility tables

    https://kangax.github.io/compat-table/es6/ has a column for "current browser"

  • ES-Feature-Tests

    Discontinued Feature Tests for JavaScript

    Years ago, I wrote a library called es-feature-tests which ran all the different syntax and feature tests. There's even a tool included, called "testify", that tests a code base for which features it's using, so you can automatically generate the list of tests to run that support only the code your app has. In fact, I even had a companion site for this library, that provided a service where it could run all these tests for your site in a background worker thread, cache them in a cross-site accessible way, etc.

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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