This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The size read-only property of the KeyboardLayoutMap interface returns the number of elements in the map.
The property is otherwise the same as Map.prototype.size.
A number.
The following example get the count of the location- or layout-specific string and its associated keyboard code on an English QWERTY keyboard.
navigator.keyboard.getLayoutMap().then((keyboardLayoutMap) => {
console.log(keyboardLayoutMap.size);
});
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
size |
69 | 79 | No | 56 | No | 69 | No | 48 | No | 10.0 | 69 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/KeyboardLayoutMap/size