WICG/webusb

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WICG/webusb

WICG

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Connecting hardware to the web.

WebUSB

Connecting hardware to the web.

Documents

Specification (Editor's Draft)
Test API Specification (Editor's Draft)

Communication

Stack Overflow for questions & answers about using WebUSB.
Issue Tracker for specification issues.
Chromium Issue Tracker for Chrome implementation issues.

Implementation Status

Available in Chromium-based browsers for Android, ChromeOS, Linux, macOS and Windows (released in Chrome 61).
The Node.js usb package exports a WebUSB object.

Demos

Articles

Access USB Devices on the Web
The WebUSB Security Model (outdated)
WebUSB and JavaScript Robotics (PageNodes)
Program a smart device directly, no install needed (Arduino running Zephyr)
Web enabling legacy devices Discusses USB CDC (USB Serial devices)

webcomponents

Web Components specifications

import-maps

How to control the behavior of JavaScript imports

virtual-scroller

focus-visible

Polyfill for `:focus-visible`

webpackage

Web packaging format

EventListenerOptions

An extension to the DOM event pattern to allow authors to disable support for preventDefault

portals

A proposal for enabling seamless navigations between sites or pages

floc

This proposal has been replaced by the Topics API.

inert

Polyfill for the inert attribute and property.

scheduling-apis

APIs for scheduling and controlling prioritized tasks.

view-transitions

file-system-access

Expose the file system on the user’s device, so Web apps can interoperate with the user’s native applications.

background-sync

A design and spec for ServiceWorker-based background synchronization

ua-client-hints

Wouldn't it be nice if `User-Agent` was a (set of) client hints?

scroll-to-text-fragment

Proposal to allow specifying a text snippet in a URL fragment

observable

Observable API proposal

aom

Accessibility Object Model

kv-storage

[On hold] A proposal for an async key/value storage API for the web

turtledove

navigation-api

The new navigation API provides a new interface for navigations and session history, with a focus on single-page application navigations.

webmonetization

Proposed Web Monetization standard

trust-token-api

Trust Token API

attribution-reporting-api

Attribution Reporting API

direct-sockets

Direct Sockets API for the web platform

shape-detection-api

Detection of shapes (faces, QR codes) in images

display-locking

A repository for the Display Locking spec

dbsc

background-fetch

API proposal for background downloading/uploading

first-party-sets

serial

Serial ports API for the platform.

resize-observer

This repository is no longer active. ResizeObserver has moved out of WICG into

priority-hints

A browser API to enable developers signal the priorities of the resources they need to download.

sanitizer-api

is-input-pending

proposals

A home for well-formed proposed incubations for the web platform. All proposals welcome.

spatial-navigation

Directional focus navigation with arrow keys

js-self-profiling

Proposal for a programmable JS profiling API for collecting JS profiles from real end-user environments

cq-usecases

Use cases and requirements for standardizing element queries.

isolated-web-apps

Repository for explainers and other documents related to the Isolated Web Apps proposal.

visual-viewport

A proposal to add explicit APIs to the Web for querying and setting the visual viewport

interventions

A place for browsers and web developers to collaborate on user agent interventions.

frame-timing

Frame Timing API

layout-instability

A proposal for a Layout Instability specification

page-lifecycle

Lifecycle API to support system initiated discarding and freezing

nav-speculation

Proposal to enable privacy-enhanced preloading

speech-api

cookie-store

Asynchronous access to cookies from JavaScript

construct-stylesheets

API for constructing CSS stylesheet objects

webhid

Web API for accessing Human Interface Devices (HID)

color-api

A proposal and draft spec for a Color object for the Web Platform, loosely influenced by the Color.js work. Heavily WIP, if you landed here randomly, please move along.

fenced-frame

Proposal for a strong boundary between a page and its embedded content

devtools-protocol

DevTools Protocol

sms-one-time-codes

A way to format SMS messages for use with browser autofill features such as HTML’s autocomplete=one-time-code.

bundle-preloading

Bundles of multiple resources, to improve loading JS and the Web.

translation-api

A proposal for translator and language detector APIs

privacy-preserving-ads

Privacy-Preserving Ads

manifest-incubations

Before install prompt API for installing web applications

window-controls-overlay

netinfo

compression-dictionary-transport

intrinsicsize-attribute

Proposal to add an intrinsicsize attribute to media elements

animation-worklet

🚫 Old repository for AnimationWorklet specification ➡️ New repository: https://github.com/w3c/css-houdini-drafts

container-queries

local-peer-to-peer

↔️ Proposal for local communication between browsers without the aid of a server.

shared-storage

Explainer for proposed web platform Shared Storage API

async-append

A way to create DOM and add it to the document without blocking the main thread.

indexed-db-observers

Prototyping and discussion around indexeddb observers.

canvas-formatted-text

file-handling

API for web applications to handle files

canvas-color-space

Proposed web platform feature to add color management, wide gamut and high bit-depth support to the <canvas> element.

local-font-access

Web API for enumerating fonts on the local system

performance-measure-memory

performance.measureMemory API

digital-credentials

Digital Credentials, like driver's licenses

handwriting-recognition

Handwriting Recognition Web API Proposal

web-app-launch

Web App Launch Handler

pwa-url-handler

ContentPerformancePolicy

A set of policies that a site guarantees to adhere to, browsers enforce, and embedders can count on.

starter-kit

A simple starter kit for incubations

css-parser-api

This is the repo where the CSS Houdini parser API will be worked on

close-watcher

A web API proposal for watching for close requests (e.g. Esc, Android back button, ...)

eyedropper-api

idle-detection

A proposal for an idle detection and notification API for the web

storage-foundation-api-explainer

Explainer showcasing a new web storage API, NativeIO

video-editing

uuid

client-hints-infrastructure

Specification for the Client Hints infrastructure - privacy preserving proactive content negotiation

sparrow

private-network-access

element-timing

A proposal for an Element Timing specification.

document-picture-in-picture

video-rvfc

video.requestVideoFrameCallback() incubation

time-to-interactive

Repository for hosting TTI specification and discussions around it.

digital-goods

soft-navigations

Heuristics to detect Single Page Apps soft navigations

raw-clipboard-access

An explainer for the Raw Clipboard Access feature

storage-buckets

API proposal for managing multiple storage buckets

pending-beacon

A better beaconing API

admin

👋 Ask your questions here! 👋

web-smart-card

Repository for the Web Smart Card Explainer

web-preferences-api

The Web Preference API aims to provide a way for sites to override the value for a given user preference (e.g. color-scheme preference) in a way that fully integrates with existing Web APIs.