Sourcemap header
Widely available since before 2022-07-15
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.
Learning resources on MDN
Browser support
- Chrome 18 Released on 2012-03-28
- Chrome Android 18 Released on 2012-06-27
- Edge ≤79 Released before 2020-01-15
- Firefox 55 Released on 2017-08-08
- Firefox for Android 55 Released on 2017-08-08
- Safari 7 Released on 2013-10-22
- Safari on iOS 7 Released on 2013-09-18
Specifications
- Source Map specification, from TC39 (Ecma International).