BrowserVersionOwn?TypeAs String
Chrome79.0.3945???
Edge85.0.564???
Firefox68.0.0???
IE10.0.0???
IE11.0.0ownobject[object WEBGL_compressed_texture_s3tc]
Safari10.1.2???
YandexBot3.0.0???

PropertiesChromeEdgeFirefoxIESafariYandexBot
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??