SecurityPolicyViolationEvent: referrer property

The referrer read-only property of the SecurityPolicyViolationEvent interface is a string representing the referrer of the resources whose policy was violated. This will be a URL or null.

Value

A string representing the URL of the referrer of the violating resources.

Examples

document.addEventListener("securitypolicyviolation", (e) => {
  console.log(e.referrer);
});

Specifications

Specification
Content Security Policy Level 3
# dom-securitypolicyviolationevent-referrer

Browser compatibility

BCD tables only load in the browser

See also