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SecurityPolicyViolationEvent.effectiveDirective

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The effectiveDirective read-only property of the SecurityPolicyViolationEvent interface is a DOMString representing the directive whose enforcement uncovered the violation.

Syntax

let effDir = violationEventInstance.effectiveDirective;

Value

A DOMString representing the directive whose enforcement uncovered the violation.

Example

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

Specifications

Specification Status Comment
Content Security Policy Level 3
The definition of 'effectiveDirective' in that specification.
Working Draft Initial definition

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes 15 63
63
59
Disabled
Disabled From version 59: this feature is behind the security.csp.enable_violation_events preference (needs to be set to true). To change preferences in Firefox, visit about:config.
No Yes Yes
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes Yes 63
63
59
Disabled
Disabled From version 59: this feature is behind the security.csp.enable_violation_events preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Yes Yes Yes

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/SecurityPolicyViolationEvent/effectiveDirective