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The "probably" comes directly from the HTML5 Media spec. Browsers can't say for sure that they support a certain video format. media.canPlayType(type) - Return
by phoboslab 14y ago
The "probably" comes directly from the HTML5 Media spec. Browsers can't say for sure that they support a certain video format.
media.canPlayType(type) - Returns the empty string (a negative response), "maybe", or "probably" based on how confident the user agent is that it can play media resources of the given type.
~ http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-navigator-canplaytype http://www.whatwg.org/specs/web-apps/current-work/multipage/...