HTMLLinkElement: integrity property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨April 2018⁩.

The integrity property of the HTMLLinkElement interface is a string containing inline metadata that a browser can use to verify that a fetched resource has been delivered without unexpected manipulation.

It reflects the integrity attribute of the <link> element.

Value

A string.

Examples

html

<link
  id="el"
  href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"
  rel="stylesheet"
  integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH"
  crossorigin="anonymous" />

const el = document.getElementById("el");
console.log(el.integrity); // Output: "sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH"