RTCDataChannel.bufferedAmountLowThreshold - Web APIs
the rtcdatachannel property bufferedamountlowthreshold is used to specify the number of bytes of buffered outgoing data that is considered "low." the default value is 0.
... when the number of buffered outgoing bytes, as indicated by the bufferedamount property, falls to or below this value, a bufferedamountlow event is fired.
...listeners may be added with onbufferedamountlow or addeventlistener().
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RTCDataChannel: bufferedamountlow event - Web APIs
a bufferedamountlow event is sent to an rtcdatachannel when the number of bytes currently in the outbound data transfer buffer falls below the threshold specified in bufferedamountlowthreshold.
... bufferedamountlow events aren't sent if bufferedamountlowthreshold is 0.
... bubbles no cancelable no interface event event handler property onbufferedamountlow examples this example sets up a handler for bufferedamountlow to request more data any time the data channel's buffer falls below the number of bytes specified by bufferedamountlowthreshold, which we have set to 65536.
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RTCDataChannel.bufferedAmount - Web APIs
the read-only rtcdatachannel property bufferedamount returns the number of bytes of data currently queued to be sent over the data channel.
...however, even after closing the channel, attempts to send messages continue to add to the bufferedamount value, even though the messages are neither sent nor buffered.
... whenever this value decreases to fall to or below the value specified in the bufferedamountlowthreshold property, the user agent fires the bufferedamountlow event.
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RTCDataChannel.onbufferedamountlow - Web APIs
the rtcdatachannel.onbufferedamountlow property is an eventhandler which specifies a function the browser calls when the bufferedamountlow event is sent to the rtcdatachannel.
... this event, which is represented by a simple event object, is sent when the amount of data buffered to be sent falls to or below the threshold specified by the channel's bufferedamountlowthreshold.
... syntax rtcdatachannel.onbufferedamountlow = function; value a function which the browser will call to handle the bufferedamountlow event.
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WebSocket.bufferedAmount - Web APIs
the websocket.bufferedamount read-only property returns the number of bytes of data that have been queued using calls to send() but not yet transmitted to the network.
... syntax var bufferedamount = awebsocket.bufferedamount; value an unsigned long.
... specifications specification status comment html living standardthe definition of 'websocket: bufferedamount' in that specification.

Index - Web APIs
3230 rtcdatachannel.bufferedamount experimental, property, rtcdatachannel, read-only, reference, webrtc, bufferedamount the read-only rtcdatachannel property bufferedamount returns the number of bytes of data currently queued to be sent over the data channel.
... 3231 rtcdatachannel.bufferedamountlowthreshold experimental, property, rtcdatachannel, reference, webrtc, bufferedamountlowthreshold the rtcdatachannel property bufferedamountlowthreshold is used to specify the number of bytes of buffered outgoing data that is considered "low." the default value is 0.
... 3238 rtcdatachannel.onbufferedamountlow event handler, experimental, networking, property, rtcdatachannel, reference, webrtc, buffering, onbufferedamountlow the rtcdatachannel.onbufferedamountlow property is an eventhandler which specifies a function the browser calls when the bufferedamountlow event is sent to the rtcdatachannel.
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WebSocket.send() - Web APIs
the websocket.send() method enqueues the specified data to be transmitted to the server over the websocket connection, increasing the value of bufferedamount by the number of bytes needed to contain the data.
...the string is added to the buffer in utf-8 format, and the value of bufferedamount is increased by the number of bytes required to represent the utf-8 string.
... arraybuffer you can send the underlying binary data used by a typed array object; its binary data contents are queued in the buffer, increasing the value of bufferedamount by the requisite number of bytes.
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RTCDataChannel - Web APIs
the default is "blob".bufferedamount read only the read-only rtcdatachannel property bufferedamount returns the number of bytes of data currently queued to be sent over the data channel.bufferedamountlowthreshold the rtcdatachannel property bufferedamountlowthreshold is used to specify the number of bytes of buffered outgoing data that is considered "low." the default value is 0.id read only the read-only rtcdatachannel propert...
....reliable read only the read-only rtcdatachannel property reliable indicates whether or not the data channel is reliable.stream read only the deprecated (and never part of the official specification) read-only rtcdatachannel property stream returns an id number (between 0 and 65,535) which uniquely identifies the rtcdatachannel.event handlersalso inherits event handlers from: eventtargetonbufferedamountlow the rtcdatachannel.onbufferedamountlow property is an eventhandler which specifies a function the browser calls when the bufferedamountlow event is sent to the rtcdatachannel.
... this event, which is represented by a simple event object, is sent when the amount of data buffered to be sent falls to or below the threshold specified by the channel's bufferedamountlowthreshold.onclose the rtcdatachannel.onclose property is an eventhandler which specifies a function to be called by the browser when the close event is received by the rtcdatachannel.
... events bufferedamountlow sent to the channel's onbufferedamountlow event handler when the number of bytes of data in the outgoing data buffer falls below the value specified by bufferedamountlowthreshold.

Using WebRTC data channels - Web APIs
<<<write more about using bufferedamount, bufferedamountlowthreshold, onbufferedamountlow, and bufferedamountlow here>>> ...

WebRTC API - Web APIs
events bufferedamountlow the amount of data currently buffered by the data channel—as indicated by its bufferedamount property—has decreased to be at or below the channel's minimum buffered data size, as specified by bufferedamountlowthreshold.

WebSocket - Web APIs
websocket.bufferedamount read only the number of bytes of queued data.

Writing WebSocket client applications - Web APIs
closing the connection when you've finished using the websocket connection, call the websocket method close(): examplesocket.close(); it may be helpful to examine the socket's bufferedamount attribute before attempting to close the connection to determine if any data has yet to be transmitted on the network.