KeyboardLayoutMap: size property
Limited availability
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.
Value
A number.
Examples
The following example get the count of the location- or layout-specific string and its associated keyboard code on an English QWERTY keyboard.
js
navigator.keyboard.getLayoutMap().then((keyboardLayoutMap) => {
console.log(keyboardLayoutMap.size);
});
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-get-map.prototype.size |
Browser compatibility
BCD tables only load in the browser