SecurityPolicyViolationEvent: columnNumber property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since August 2016.
Note: This feature is available in Web Workers.
The columnNumber read-only property of the SecurityPolicyViolationEvent interface is the column number in the document or worker script at which the Content Security Policy (CSP) violation occurred.
Value
A number representing the column number where the violation occurred.
Examples
js
document.addEventListener("securitypolicyviolation", (e) => {
console.log(e.columnNumber);
});
Specifications
| Specification |
|---|
| Content Security Policy Level 3 # dom-securitypolicyviolationevent-columnnumber |
Browser compatibility
BCD tables only load in the browser