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

Browser compatibility

BCD tables only load in the browser

See also