SecurityPolicyViolationEvent.referrer

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  1. Syntax
  2. Example
  3. Specifications
  4. Browser compatibility
  5. See also

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

The referrer read-only property of the SecurityPolicyViolationEvent interface is a USVString representing the referrer of the resources whose policy was violated. This will be a URL or null.

Syntax

let referrer = violationEventInstance.referrer;

Value

A USVString representing the URL of the referrer of the violating resources.

Example

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

Specifications

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support YesEdge Full support 15Firefox Full support 63
Full support 63
Full support 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.
IE No support NoOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 63
Full support 63
Full support 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.
Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support  
Full support
No support  
No support
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

Document Tags and Contributors

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Contributors to this page: fscholz, chrisdavidmills
Last updated by: fscholz,