KeyboardLayoutMap: keys() method
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 keys() method of the KeyboardLayoutMap interface returns a new Iterator object that contains the keys for each index in the KeyboardLayoutMap object.
The method is otherwise the same as Map.prototype.keys().
Syntax
js
keys()
Return value
A new Iterator object.
Examples
The following example iterates every keyboard code on an English QWERTY keyboard.
js
navigator.keyboard.getLayoutMap().then((keyboardLayoutMap) => {
for (const code of keyboardLayoutMap.keys()) {
console.log(`${code} keyboard code`);
}
});
Specifications
| Specification |
|---|
| ECMAScript® 2025 Language Specification # sec-map.prototype.keys |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
keys | ||||||||||||