WebUSB is enabled inside dedicated worker contexts. This allows developers to perform heavy I/O and processing of data from a USB device on a separate thread to reduce the performance impact on the main thread.

Demos

Documentation

Specification

Specification link


Specification being incubated in a Community Group

Status in Chromium

Blink>USB


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Owners

Search tags

WebUSB, Worker, Web Worker, Dedicated Worker,

Last updated on 2021-03-12