HTMLImageElement: attributionSrc property

Secure context

The attributionSrc property of the HTMLImageElement interface that you want the browser to send an Attribution-Reporting-Eligible header along with the image request. It reflects the <img> element’s attributionsrc content attribute.

See the Attribution Reporting API for more details.

Value

A string that is either empty or a space-separated list of URLs. For the interpretation of this attribute, see the HTML <img> reference.

Examples

Setting an empty attributionSrc

<img src="/firefox/mdn-asset-missing.svg" />

const imgElem = document.querySelector("img");
imgElem.attributionSrc = "";

Setting an attributionSrc containing URLs

<img src="/firefox/mdn-asset-missing.svg" />

// encode the URLs in case they contain special characters
// such as '=' that would be improperly parsed.
const encodedUrlA = encodeURIComponent("https://a.example/register-source");
const encodedUrlB = encodeURIComponent("https://b.example/register-source");

const imgElem = document.querySelector("img");
imgElem.attributionSrc = `${encodedUrlA} ${encodedUrlB}`;

Specifications

Browser compatibility

See also

• Attribution Reporting API.