HTTP 204 No Content 成功状态响应码，表示该请求已经成功了，但是客户端客户不需要离开当前页面。默认情况下 204 响应是可缓存的。一个 ETag 标头包含在此类响应中。
使用惯例是，在 PUT 请求中进行资源更新，但是不需要改变当前展示给用户的页面，那么返回 204 No Content。如果创建了资源，则返回 201 Created 。如果应将页面更改为新更新的页面，则应改用 200 。
状态
204 No Content
规范
| Specification | Title |
|---|---|
| RFC 7231, section 6.3.5: 204 No Content | Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content |
浏览器兼容性
The compatibility table in 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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
204 | Chrome Full support Yes | Edge Full support 12 | 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 Full support Yes |
Legend
- Full support
- Full support