SecurityPolicyViolationEvent.lineNumber

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

The lineNumber read-only property of the SecurityPolicyViolationEvent interface is the line number in the document or worker at which the violation occurred.

Syntax

let lineNumber = violationEventInstance.lineNumber;

Value

A number representing the line number at which the violation occurred.

Example

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

Specifications

Specification
Content Security Policy Level 3 (Content Security Policy 3)
# dom-securitypolicyviolationevent-linenumber

Browser compatibility

BCD tables only load in the browser

See also