SourceMap
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
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)
指令
<url>-
指向一个 source map 文件的一个相对（于请求的 URL）或者一个绝对的 URL。
例子
SourceMap: /path/to/file.js.map
规范
| Specification |
|---|
| Source Map specification # linking-generated-code |
浏览器兼容性
BCD tables only load in the browser