SecurityPolicyViolationEvent: referrer property

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The referrer read-only property of the {{domxref("SecurityPolicyViolationEvent")}} interface is a string representing the referrer for the resources whose Content Security Policy (CSP) was violated. This will be a URL or null.

Value

A string representing the URL for the referrer of the resources whose policy was violated, or null.

Examples

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

Specifications

{{Specifications}}

Browser compatibility

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See also

• {{domxref("CSPViolationReportBody.referrer")}}