Sourcemap header

The Sourcemap HTTP response header links generated code to a source map, so the browser shows the original source in a debugger. This makes it easier to work with minified or transpiled code.

Baseline Status: Achieved Widely Available on Jul 15, 2022 (Cross-browser Newly Available since Jan 15, 2020).

Desktop Browser Engine Support

Google Chrome

18

Supported

Mozilla Firefox

55

Supported

Apple Safari

7

Supported

Microsoft Edge

79

Supported

Mobile Browser Engine Support

Chrome Android

18

Firefox Android

55

Safari iOS

7

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

http.headers.SourceMap ↗