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Types of documentation on CanIWebView

CanIWebView provides different types of documentation. The most important source is MDN Browser Compatibility Data (BCD), which allows you to check WebView support for every JavaScript API, HTML element, CSS property, or HTTP Header and even compare it to mobile browsers.

These detailed pieces of information are called BCD keys. When grouped together, they form web-features that show you support for general features in less granular detail.

Web-features are also available with Baseline status under the web_features category section of the site.

Additionally, CanIWebView offers written documentation on WebView behaviours and differences that is documented here.

Web Platform

Automated compatability documentation about Web features and specific APIs

JavaScript API

  • AbortController
  • AbortPaymentEvent
  • AbortSignal
  • AbsoluteOrientationSensor
  • AbstractRange
  • Accelerometer
  • AmbientLightSensor
  • AnalyserNode
  • ANGLE_instanced_arrays
  • Animation
  • AnimationEffect
  • AnimationEvent
  • AnimationPlaybackEvent
  • AnimationTimeline
  • AnimationTrigger
  • atob
  • Attr
  • AudioBuffer
  • AudioBufferSourceNode
  • AudioContext
  • All JavaScript API features

HTML5

  • HTML attribute: accesskey
  • HTML attribute: anchor
  • HTML attribute: autocapitalize
  • HTML attribute: autocorrect
  • HTML attribute: autofocus
  • HTML attribute: class
  • HTML attribute: containertiming
  • HTML attribute: containertimingignore
  • HTML attribute: contenteditable
  • HTML attribute: data_attributes
  • HTML attribute: dir
  • HTML attribute: draggable
  • HTML attribute: drawable
  • HTML attribute: elementtiming
  • HTML attribute: enterkeyhint
  • HTML attribute: exportparts
  • HTML attribute: focusgroup
  • HTML attribute: focusgroupstart
  • HTML attribute: headingoffset
  • HTML attribute: headingreset
  • All HTML5 features

CSS

  • CSS property: accent-color
  • CSS property: align-content
  • CSS property: align-items
  • CSS property: alignment-baseline
  • CSS property: align-self
  • CSS property: all
  • CSS property: alt
  • CSS property: anchor-name
  • CSS property: anchor-scope
  • CSS property: animation
  • CSS property: animation-composition
  • CSS property: animation-delay
  • CSS property: animation-direction
  • CSS property: animation-duration
  • CSS property: animation-fill-mode
  • CSS property: animation-iteration-count
  • CSS property: animation-name
  • CSS property: animation-play-state
  • CSS property: animation-range
  • CSS property: animation-range-end
  • All CSS features

HTTP

  • HTTP header: Accept
  • HTTP header: Accept-CH
  • HTTP header: Accept-Encoding
  • HTTP header: Accept-Language
  • HTTP header: Accept-Ranges
  • HTTP header: Access-Control-Allow-Credentials
  • HTTP header: Access-Control-Allow-Headers
  • HTTP header: Access-Control-Allow-Methods
  • HTTP header: Access-Control-Allow-Origin
  • HTTP header: Access-Control-Expose-Headers
  • HTTP header: Access-Control-Max-Age
  • HTTP header: Access-Control-Request-Headers
  • HTTP header: Access-Control-Request-Method
  • HTTP header: Activate-Storage-Access
  • HTTP header: Age
  • HTTP header: Alt-Svc
  • HTTP header: Attribution-Reporting-Eligible
  • HTTP header: Attribution-Reporting-Register-Source
  • HTTP header: Attribution-Reporting-Register-Trigger
  • HTTP header: Attribution-Reporting-Support
  • All HTTP features

Web Feature with Baseline status

  • web-feature: <a>
  • web-feature: <abbr>
  • web-feature: Abortable fetch
  • web-feature: AbortController and AbortSignal
  • web-feature: AbortSignal.any()
  • web-feature: AbortSignal.timeout()
  • web-feature: abs() and sign()
  • web-feature: Absolute positioning
  • web-feature: Accelerometer
  • web-feature: accent-color
  • web-feature: accesskey
  • web-feature: Accessor methods
  • web-feature: Active view transition
  • web-feature: Ad selection
  • web-feature: <address>
  • web-feature: Alerts
  • web-feature: align-content in block layouts
  • web-feature: alignment-baseline
  • web-feature: all
  • web-feature: alpha()
  • All Web Feature with Baseline status features

Behavioural

Written documentation on WebView behaviors and differences

Web API

  • Control API permissions
  • Autofil
  • Cookies
  • Manage web storage and cookies

WebView API

  • Localhost
  • Inject custom JS scripts
  • Requests/responses sharing and proxy between Native and WebView

Platform level

  • Update cadence
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