Request: referrerPolicy property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2017.
Note: This feature is available inWeb Workers.
ThereferrerPolicy read-only property of theRequest interface returns the referrer policy, which governs whatreferrer information, sent in theReferer header, should be includedwith the request.
Value
A string representing the request'sreferrerPolicy. Formore information and possible values, see theReferrer-Policy HTTPheader page.
Examples
In the following snippet, we create a new request using theRequest() constructor (for an image file in the same directory asthe script), then save the request referrer policy in a variable:
js
const myRequest = new Request("flowers.jpg");const myReferrer = myRequest.referrerPolicy; // returns "" by defaultSpecifications
| Specification |
|---|
| Fetch # ref-for-dom-request-referrerpolicy② |