MathMLElement: nonce property
Baseline
2026
Newly available
Since June 2026, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The nonce property of the MathMLElement interface returns the nonce that is used by Content Security Policy to determine whether a given fetch will be allowed to proceed.
Value
A String; the cryptographic nonce, or an empty string if no nonce is set.
Examples
Retrieving a nonce value
js
const math = document.querySelector("math");
console.log(math.nonce);
Specifications
| Specification |
|---|
| HTML # dom-noncedelement-nonce |
Browser compatibility
See also
HTMLElement.noncea similar property for HTML elements.SVGElement.noncea similar property for SVG elements.nonceglobal attribute- Content Security Policy
- CSP:
script-src