Document 接口的属性 documentURI 以字符串的形式返回文档的位置（location）。在最初的DOM3定义中，这个属性是可读/写的。在现代的DOM标准（DOM4）中，它是只读的。
语法
var string = document.documentURI;
备注
HTML 文档有一个 document.URL 属性返回同样的值。但是不像 URL，documentURI 适用于所有类型的文档。
规范
| Specification | Status | Comment |
|---|---|---|
| DOM documentURI |
Living Standard | |
| Document Object Model (DOM) Level 3 Core Specification documentURI |
Obsolete | Initial definition |
浏览器兼容性
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
documentURI | Chrome Full support 1 | Edge Full support 17 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android ? |
| Read-only behavior | Chrome Full support 43 | Edge ? | Firefox Full support Yes | IE No support No | Opera Full support 30 | Safari No support No | WebView Android Full support 43 | Chrome Android Full support 43 | Firefox Android Full support Yes | Opera Android Full support 30 | Safari iOS No support No | Samsung Internet Android ? |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown