Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The referrer read-only property of the
SecurityPolicyViolationEvent interface is a USVString
representing the referrer of the resources whose policy was violated. This will be a URL
or null.
Syntax
let referrer = violationEventInstance.referrer;Value
A USVString representing the URL of the referrer of the violating
resources.
Example
document.addEventListener("securitypolicyviolation", (e) => {
console.log(e.referrer);
});Specifications
| Specification | Status | Comment |
|---|---|---|
| Content Security Policy Level 3 The definition of 'referrer' in that specification. |
Working Draft | Initial definition |
Browser compatibility
BCD tables only load in the browser