JavaScript feature matrix

This matrix tracks which JavaScript language features are supported by which browsers. There are two ways in which you can contribute:

Contribute feature tests: Is there a language feature that caused you problems by not being supported in a browser? Let me know: axel AT rauschma DOT de or @rauschma.
Submit your browser’s results: See section at the end of this page.

GitHub: js-feature-matrix. Hover over column titles to see the full browser versions.

Background material

On 2ality:

Other material:

This work is indebted to “ECMAScript 5 compatibility table” by kangax, which inspired the structure of the table.

You can submit your browser’s results to Browserscope. The collected results are online.