It's almost 2020, and browsers can do amazing stuff.
This repo contains a non-exhaustive list of less-known features implemented in browsers today.
This list isn't intended for a technical audience; instead it wants to be a "I don't know we could that in a browser" list.
In many cases, listed features aren't yet part of the standard, and may only be available on certain browsers or configurations.
prefers-color-scheme
Many OS provides light or dark color theme (notably dark mode on macOS), websites can detect the preferred color scheme.
prefers-reduced-motion
Similarly to dark mode, users in their OS can remove/reduce animations, we can also detect that.
Payment Request API
You can process payments delegating the browser. If configured, the UI will be autofilled with your credit card, shipping info and whatnot.
Web Share API
Delegate the share of URLs or files to the OS, providing share options based on the installed apps and user preference.
Push API
Browsers can register push notifications. Sending later, at any moment push notifications, those notifications can contain images, buttons and inline replies.
Service Workers
Among other features, service workers can enable offline browsing and background tasking.
Example:
- Provide a fallback when internet isn't available
- Sending a form when internet isn't available will result in data lost, service worker can be used to save those data and send them later when an internet connection is up again
Web/native app install banners
Display a native banner to encourage users to add the app/website on the home or to install a native app.
Get Installed Related Apps API
Check if the native app related to your site is already installed.
WebXR
Allows to tun VR/AR on the web.
Picture-in-Picture (PiP)
Consent to play a video and detach it from the current page, staying sticky and always visible.
Media Session API
Customize media notifications by providing metadata and actions.
Chrome Sender API
If chromecast is available, you can stream a video/audio to your TV / Chromecast enabled device.
AirPlay
Consent to stream a media over AirPlay (like AppleTV)
Force Touch API
With some Apple-specific hardware (like iPhone6S+ and Magic Trackpad) you can detect force pressure.
AR Quick Look
On iOS you can display an .usdz 3D asset using a native AR UI
GamePad API
Allows to use a physical gamepad.
WebUSB API
Allows to access and use peripherals connected via USB.
Web Bluetooth API
Allows to access and use bluetooth devices.
Web Locks API
Prevent display sleep and enable wake lock.
Keyboard Lock
While in fullscreen, allows to receive keys that are normally handled by the system or the browser like Cmd/Alt-Tab, or Esc.
Generic Sensor API
Allows to use several sensors like Accelerometer, Gyroscope, AmbientLightSensor, Magnetometer
Credential Management API
Enables to store and retrieve password credentials, it elso enables tap to sign in and automatic sign back, password sharing on multiple device and many more.
Clipboard API
Allow to read and write text and images into the OS clipboard buffer
Presentation API
Gives ability to access external presentation-type displays and use them for presenting web content.
Screen Orientation API
Read and lock screen orientation
getUserMedia camera selection
When using camera/microphone, we can select the input source (example front or back camera). On the Pixel 4XL we can even access the infrared camera (used for face detection).
Pointer Lock (Mouse Lock)
Gives access to raw mouse movement, locks the target of mouse events to a single element, eliminates limits of how far mouse movement can go in a single direction, and removes the cursor from view. Obvious use cases are for first person or real time strategy games.
Theme Color
on Android you can customise tab color.
Vibration API
Provides access to the vibration mechanism of the hosting device.
Web Coffee API
Use covfefe protocol to start coffee machines.
Battery Status API
Allows access to see the battery level of the device's battery.
Page Visibility API
Provides an API to ask whether the current tab is visible or not.
Web Speech API
Enables web developers to incorporate speech recognition and speech synthesis.
Stuff under Origin Trial
Native File System
Allows access to the file system.
SMS Receiver API
Allow the site to read received SMS, for example for OTP and phone number validation.
Contacts API
Provide native UI to select contacts from your OS and retrieve informations.
Badging API
Allows to set badge in OS in places like shelf or homescreen.