This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTMLIFrameElement
.referrerPolicy
property reflects the HTML referrerpolicy
attribute of the <iframe>
element defining which referrer is sent when fetching the resource.
refStr = iframeElt.referrerPolicy; iframeElt.referrerPolicy = refStr;
"no-referrer"
meaning that the Referer:
HTTP header will not be sent."origin"
meaning that the referrer will be the origin of the page, that is roughly the scheme, the host and the port."unsafe-url"
meaning that the referrer will include the origin and the path (but not the fragment, password, or username). This case is unsafe as it can leak path information that has been concealed to third-party by using TLS.var iframe = document.createElement("iframe"); iframe.src = "/"; iframe.referrerPolicy = "unsafe-url"; var body = document.getElementsByTagName("body")[0]; body.appendChild(iframe); // Fetch the image using the complete URL as the referrer
Specification | Status | Comment |
---|---|---|
Referrer Policy The definition of 'referrerpolicy attribute' in that specification. | Editor's Draft | Added the referrerPolicy attribute. |
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 51 | ? | 50.0 (50.0) | ? | 38 | ? |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | 51 | 51 | 50.0 (50.0) | ? | ? | ? |
HTMLAnchorElement.referrerPolicy
, HTMLAreaElement.referrerPolicy
, and HTMLAreaElement.referrerPolicy
.
© 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/HTMLIFrameElement/referrerPolicy