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WebKit features not supported in AIR

AIR does not support the following features available in WebKit or Safari 4:

  • Cross-domain messaging via window.postMessage (AIR provides its own cross-domain communication APIs)

  • CSS variables

  • Web Open Font Format (WOFF) and SVG fonts.

  • HTML video and audio tags

  • Media device queries

  • Offline application cache

  • Printing (AIR provides its own PrintJob API)

  • Spelling and grammar checkers

  • SVG

  • WAI-ARIA

  • WebSockets (AIR provides its own socket APIs)

  • Web workers

  • WebKit SQL API (AIR provides its own API)

  • WebKit geolocation API (AIR provides its own geolocation API on supported devices)

  • WebKit multi-file upload API

  • WebKit touch events (AIR provides its own touch events)

  • Wireless Markup Language (WML)

The following lists contain specific JavaScript APIs, HTML elements, and CSS properties and values that AIR does not support:

Unsupported JavaScript Window object members:

  • applicationCache()

  • console

  • openDatabase()

  • postMessage()

  • document.print()

Unsupported HTML tags:

  • audio

  • video

Unsupported HTML attributes:

  • aria-*

  • draggable

  • formnovalidate

  • list

  • novalidate

  • onbeforeload

  • onhashchange

  • onorientationchange

  • onpagehide

  • onpageshow

  • onpopstate

  • ontouchstart

  • ontouchmove

  • ontouchend

  • ontouchcancel

  • onwebkitbeginfullscreen

  • onwebkitendfullscreen

  • pattern

  • required

  • sandbox

Unsupported JavaScript events:

  • beforeload

  • hashchange

  • orientationchange

  • pagehide

  • pageshow

  • popstate

  • touchstart

  • touchmove

  • touchend

  • touchcancel

  • webkitbeginfullscreen

  • webkitendfullscreen

Unsupported CSS properties:

  • background-clip

  • background-origin (use -webkit-background-origin)

  • background-repeat-x

  • background-repeat-y

  • background-size (use -webkit-background-size)

  • border-bottom-left-radius

  • border-bottom-right-radius

  • border-radius

  • border-top-left-radius

  • border-top-right-radius

  • text-rendering

  • -webkit-animation-play-state

  • -webkit-background-clip

  • -webkit-color-correction

  • -webkit-font-smoothing

Unsupported CSS values:

  • appearance property values:

    • media-volume-slider-container

    • media-volume-slider

    • media-volume-sliderthumb

    • outer-spin-button

  • border-box (background-clip and background-origin)

  • contain (background-size)

  • content-box (background-clip and background-origin)

  • cover (background-size)

  • list property values:

    • afar

    • amharic

    • amharic-abegede

    • cjk-earthly-branch

    • cjk-heavenly-stem

    • ethiopic

    • ethiopic-abegede

    • ethiopic-abegede-am-et

    • ethiopic-abegede-gez

    • ethiopic-abegede-ti-er

    • ethiopic-abegede-ti-et

    • ethiopic-halehame-aa-er

    • ethiopic-halehame-aa-et

    • ethiopic-halehame-am-et

    • ethiopic-halehame-gez

    • ethiopic-halehame-om-et

    • ethiopic-halehame-sid-et

    • ethiopic-halehame-so-et

    • ethiopic-halehame-ti-er

    • ethiopic-halehame-ti-et

    • ethiopic-halehame-tig

    • hangul

    • hangul-consonant

    • lower-norwegian

    • oromo

    • sidama

    • somali

    • tigre

    • tigrinya-er

    • tigrinya-er-abegede

    • tigrinya-et

    • tigrinya-et-abegede

    • upper-greek

    • upper-norwegian

  • -wap-marquee (display property)