SourceMap
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.
Syntax
SourceMap: <url>
X-SourceMap: <url> (deprecated)
Directives
<url>- A relative (to the request URL) or absolute URL pointing to a source map file.
Examples
SourceMap: /path/to/file.js.map
Specifications
|
Desktop |
|
Chrome |
Edge |
Firefox |
Internet Explorer |
Opera |
Safari |
| Basic support
|
Yes Prefixed
- Yes
Prefixed
- Prefixed Requires the vendor prefix: X-
- Yes
|
? |
27 Prefixed
- 27
Prefixed
- Prefixed Requires the vendor prefix: X-
- 55
|
? |
? |
Yes Prefixed
- Yes
Prefixed
- Prefixed Requires the vendor prefix: X-
- Yes
|
|
Mobile |
|
Android webview |
Chrome for Android |
Edge Mobile |
Firefox for Android |
Opera for Android |
iOS Safari |
Samsung Internet |
| Basic support
|
? |
? |
? |
27 Prefixed
- 27
Prefixed
- Prefixed Requires the vendor prefix: X-
- 55
|
? |
? |
? |
See also