SourceMap

SourceMap HTTP 响应头链接生成的代码到一个 source map，使浏览器能够重建原始的资源然后显示在调试器里。

Header 类型	Response header
Forbidden header name	no

语法

SourceMap: <url>
X-SourceMap: <url> (deprecated)

SourceMap: /path/to/file.js.map

Specification	Title
Draft document	Source Map Revision 3 Proposal

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`SourceMap` Non-standard	Chrome Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	Edge ?	Firefox Full support 55 Full support 55 Full support 27 Prefixed Prefixed Implemented with the vendor prefix: X-	IE ?	Opera Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	Safari Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	WebView Android Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	Chrome Android Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	Firefox Android Full support 55 Full support 55 Full support 27 Prefixed Prefixed Implemented with the vendor prefix: X-	Opera Android Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	Safari iOS Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-	Samsung Internet Android Full support Yes Full support Yes Full support Yes Prefixed Prefixed Implemented with the vendor prefix: X-

Full support: Full support
Compatibility unknown: Compatibility unknown
Non-standard. Expect poor cross-browser support.: Non-standard. Expect poor cross-browser support.
Requires a vendor prefix or different name for use.: Requires a vendor prefix or different name for use.