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. 
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. 
A number.
No specification data found for api.KeyboardLayoutMap.size.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
size | 
69 | 79 | No | No | 56 | No | 69 | 69 | No | 48 | No | 10.0 | 
    © 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
    https://developer.mozilla.org/en-US/docs/Web/API/KeyboardLayoutMap/size