This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The open() method of the USBDevice interface returns a promise that resolves when a device session has started.
Syntax
var promise = USBDevice.open()
Parameters
None.
Return value
A promise.
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebUSB The definition of 'open()' in that specification. |
Draft | Initial definition. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 61 | No | No | No | 48 | No |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | No | 61 | No | No | 48 | No | No |