BrowserVersionOwn?TypeAs String
ALAFISH89.0.4389???
BingPreview1.0.0???
Chrome28.0.1464???
Edge17.17134.0???
Firefox51.0.0???
FxiOS33.0.0???
IE10.0.0???
IE11.0.0ownobject[object WEBGL_compressed_texture_s3tc]
Safari4.0.0???
SamsungBrowser14.0.0???
SFive80.0.0???
ThinkBot0.3.0???

PropertiesALAFISHBingPreviewChromeEdgeFirefoxFxiOSIESafariSamsungBrowserSFiveThinkBot
COMPRESSED_RGBA_S3TC_DXT1_EXT?????? 11.0.0????
COMPRESSED_RGBA_S3TC_DXT3_EXT?????? 11.0.0????
COMPRESSED_RGBA_S3TC_DXT5_EXT?????? 11.0.0????
COMPRESSED_RGB_S3TC_DXT1_EXT?????? 11.0.0????
prototype?????? 11.0.0????