The referrer
read-only property of the Request
interface is set by the user agent to be the referrer of the Request. (e.g., about:client
, no-referrer
, or a URL.)
Note: If referrer
's value is no-referrer
, it returns an empty string.
var myReferrer = request.referrer;
A DOMString
representing the request's referrer.
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
Specification | Status | Comment |
---|---|---|
Fetch The definition of 'referrer' in that specification. | Living Standard | Initial definition |
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 42 41[1] | (Yes) | 47 (47) | No support | 29 | No support |
Feature | Android | Edge | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Phone | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | (Yes) | No support | No support | No support | No support | No support | No support |
[1] This feature is implemented behind a preference.
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Request/referrer