WebSocket bufferedAmount after send On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". onopen PASS ws.bufferedAmount is 5 PASS ws.bufferedAmount is 37 PASS ws.bufferedAmount is 42 PASS ws.bufferedAmount is 45 PASS ws.bufferedAmount is 0 onclose PASS ws.bufferedAmount is 0 PASS successfullyParsed is true TEST COMPLETE