Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.
Warning: This feature is currently opposed by two browser vendors. See the Standards positions section for details of opposition.
The browsingTopics
property of the HTMLIFrameElement
interface is a boolean specifying that the selected topics for the current user should be sent with the request for the associated <iframe>
's source in a Sec-Browsing-Topics
header. This reflects the browsingtopics
HTML attribute.
See Using the Topics API for more details.
ValueA boolean. The default value is false
; set it to true
to send the associated <iframe>
source request with a Sec-Browsing-Topics
header containing the selected topics for the current user.
Set browsingtopics
to true
then load the <iframe>
contents declaratively:
<iframe browsingtopics title="Advertising container" src="ad-tech1.example">
...
</iframe>
Log the browsingTopics
value via script:
const iframeElem = document.querySelector("iframe");
console.log(iframeElem.browsingTopics); // will return true in supporting browsers
Set
Specify a minimum <iframe>
:
Set browsingtopics
to true
then load the <iframe>
contents via script:
const iframeElem = document.querySelector("iframe");
iframeElem.browsingTopics = true;
iframeElem.title = "Advertising container";
iframeElem.src = "ad-tech1.example";
Specifications
This feature is not part of an official standard, although it is specified in the Topics API Unofficial Proposal Draft.
Browser compatibility See alsoRetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4