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• 句法
• 范例
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

referrer 只读特性在 Request interface is set by the user agent to be the referrer of the Request. (e.g., client , no-referrer , or a URL.)

注意 ：若 referrer 's value is no-referrer ，返回空字符串。

句法

var myReferrer = request.referrer;
					

值

A DOMString representing the request's referrer.

范例

In the following snippet, we create a new request using the Request.Request() constructor (for an image file in the same directory as the script), then save the request referrer in a variable:

var myRequest = new Request('flowers.jpg');
var myReferrer = myRequest.referrer; // returns "about:client" by default
					

规范

规范	状态	注释
Fetch The definition of 'referrer' in that specification.	实时标准	初始定义

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. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
referrer	Chrome 42 42 41 Disabled Disabled From version 41: this feature is behind the Experimental Web Platform Features preference. To change preferences in Chrome, visit chrome://flags.	Edge 14	Firefox 47	IE No	Opera 29 29 28 Disabled Disabled From version 28: this feature is behind the Experimental Web Platform Features preference.	Safari No	WebView Android No	Chrome Android No	Firefox Android No	Opera Android 29 29 28 Disabled Disabled From version 28: this feature is behind the Experimental Web Platform Features preference.	Safari iOS No	Samsung Internet Android No

图例

完整支持

完整支持

不支持

不支持

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

用户必须明确启用此特征。

用户必须明确启用此特征。

另请参阅

• ServiceWorker API
• HTTP access control (CORS)
• HTTP

元数据

• 最后修改： Mar 18, 2019

相关话题

1. Request
2. 构造函数

   1. Request()
3. 特性

   1. body
   2. bodyUsed
   3. cache
   4. context
   5. credentials
   6. destination
   7. headers
   8. integrity
   9. method
   10. mode
   11. redirect
   12. referrer
   13. referrerPolicy
   14. url
4. 方法

   1. arrayBuffer()
   2. blob()
   3. clone()
   4. formData()
   5. json()
   6. text()