Keyboard.getLayoutMap() - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The getLayoutMap() method of the Keyboard interface returns a Promise that resolves with an instance of KeyboardLayoutMap which is a map-like object with functions for retrieving the strings associated with specific physical keys.

Syntax

var promise = Keyboard.getLayoutMap()

Parameters

None.

Return value

A Promise that resolves with an instance of KeyboardLayoutMap.

Example

The following example demonstrates how to get the location- or layout-specific string associated with the key that corresponds to the 'W' key on an English QWERTY keyboard.

var keyboard = navigator.keyboard;
keyboard.getLayoutMap()
.then(keyboardLayoutMap => {
  var upKey = keyboardLayoutMap.get('KeyW');
  window.alert('Press ' + upKey + ' to move up.');
})

Specifications

Browser compatibility

BCD tables only load in the browser