The SourceMap HTTP response header links generated code to a source map, enabling the browser to reconstruct the original source and present the reconstructed original in the debugger.
| Header type | Response header |
|---|---|
| Forbidden header name | no |
SourceMap: <url> X-SourceMap: <url> (deprecated)
<url>SourceMap: /path/to/file.js.map
| Specification | Title |
|---|---|
| Draft document | Source Map Revision 3 Proposal |
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support |
Yes X- Yes |
? |
27 X- 55 |
? | ? |
Yes X- Yes |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | ? |
27 X- 55 |
? | ? | ? |
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/SourceMap