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

The deviceClass read only property of the USBDevice interface one of three properties that identify USB devices for the purpose of loading a USB driver that will work with that device. The other two properties are USBDevice.deviceSubclass and USBDevice.deviceprotocol.


var number = USBDevice.deviceClass


A number.


Specification Status Comment
The definition of 'deviceClass' in that specification.
Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Chrome Full support 61Edge No support NoFirefox No support NoIE No support NoOpera Full support 48Safari No support NoWebView Android No support NoChrome Android Full support 61Edge Mobile No support NoFirefox Android No support NoOpera Android Full support 45Safari iOS No support NoSamsung Internet Android No support No


Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

Document Tags and Contributors

Contributors to this page: mdnwebdocs-bot, jpmedley
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