SecurityPolicyViolationEvent: violatedDirective property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since August 2016.

Note: This feature is available in Web Workers.

The violatedDirective read-only property of the SecurityPolicyViolationEvent interface is a string representing the Content Security Policy (CSP) directive that was violated.

This is a historical alias of SecurityPolicyViolationEvent.effectiveDirective, and has the same value.

A string representing the Content-Security-Policy directive that was violated.

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

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

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