Websockets - Guaranteed full Messages?

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When an "onmessage" event fires in the web socket protocol are you guaranteed the full message or is it more like a straight TCP connection where you buffer the data first and then try to extract packets.

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dan_waterworth On BEST ANSWER

There is protocol level support for fragmented messages and streaming. But this behavior is not represented in the current Javascript API, (reference). So yes, if you receive a message, it is indeed an entire message even if it was sent as many fragments.