TrustedHTML: toString() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Note: This feature is available in Web Workers.

The toString() method of the TrustedHTML interface returns a string which may safely inserted into an injection sink.

Syntax

js
toString()

Parameters

None.

Return value

A string containing the sanitized HTML.

Examples

The constant escaped is an object created via the Trusted Types policy escapeHTMLPolicy. The toString() method returns a string to safely insert into a document.

js
const escapeHTMLPolicy = trustedTypes.createPolicy("myEscapePolicy", {
  createHTML: (string) => string.replace(/</g, "&lt;"),
});

const escaped = escapeHTMLPolicy.createHTML("<img src=x onerror=alert(1)>");
console.log(escaped.toString());

Specifications

Specification
Trusted Types
# trustedhtml-stringification-behavior

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
toString

Legend

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Full support
Full support
No support
No support