web api instance property
SecurityPolicyViolationEvent: columnNumber property
Available in workers
The columnNumber read-only property of the SecurityPolicyViolationEvent interface is the character position in the source file line of the document or worker script at which the Content Security Policy (CSP) violation occurred.
This property is used with the sourceFile and lineNumber properties, which together provide the exact location in the source that caused the violation.
Value
A number representing the character position number where the violation occurred.
Examples
document.addEventListener("securitypolicyviolation", (e) => {
console.log(e.columnNumber);
});
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.