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 |
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)
A relative (to the request URL) or absolute URL pointing to a source map file.
SourceMap: /path/to/file.js.map
| Specification |
|---|
| Source Map Revision 3 Proposal # h.lmz475t4mvbx |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
SourceMap |
Yes
Yes
|
≤79
≤79
|
55
27
|
No |
Yes
Yes
|
Yes
Yes
|
Yes
Yes
|
Yes
Yes
|
55
27
|
Yes
Yes
|
Yes
Yes
|
Yes
Yes
|
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https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/SourceMap