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.
toString()
None.
A string containing the sanitized HTML.
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.
const escapeHTMLPolicy = trustedTypes.createPolicy("myEscapePolicy", {
createHTML: (string) => string.replace(/</g, "<"),
});
const escaped = escapeHTMLPolicy.createHTML("<img src=x onerror=alert(1)>");
console.log(escaped.toString());
| Specification |
|---|
| Trusted Types> # trustedhtml-stringification-behavior> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
toString |
83 | 83 | No | 69 | 26 | 83 | No | 59 | 26 | 13.0 | 83 | 26 |
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https://developer.mozilla.org/en-US/docs/Web/API/TrustedHTML/toString