SecurityPolicyViolationEvent: effectiveDirective 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 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

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
effectiveDirective

Legend

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Full support
Full support

See also