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.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The transferOut() method of the USBDevice interface returns a promise that resolves with a USBOutTransferResult when bulk or interrupt data is sent to the USB device.
transferOut(endpointNumber, data)
endpointNumberThe number of a device-specific endpoint (buffer).
dataA TypedArray containing the data to send to the device.
A promise that resolves with a USBOutTransferResult.
| Specification |
|---|
| WebUSB API> # dom-usbdevice-transferout> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
transferOut |
61 | 79 | No | 48 | No | 61 | No | 45 | No | 8.0 | No | No |
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https://developer.mozilla.org/en-US/docs/Web/API/USBDevice/transferOut