SecurityPolicyViolationEvent: effectiveDirective property

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

This supersedes SecurityPolicyViolationEvent.violatedDirective, its historical alias.

Value

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

Examples

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

Specifications

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

Browser compatibility

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See also