Since June 2025, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The keys() method of the Highlight interface is an alias for the values() method.
Highlight is a Set-like object, so this is similar to using Set.keys().
keys()
None.
A new iterator object containing each Range object in the given Highlight, in insertion order.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
keys |
105 | 105 | 140 | 91 | 17.2 | 105 | 140 | 72 | 17.2 | 20.0 | 105 | 17.2 |
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https://developer.mozilla.org/en-US/docs/Web/API/Highlight/keys