Returns the type of data received by onmessage.
This property is read/write.
object.binaryType = binaryType binaryType = object.binaryType
The type of data received.
Represents raw data. The event's data property is initialized to a blob object. See msStreamReader.readAsBlob.
Represents a binary data buffer. The event's data property is initialized to an ArrayBuffer object. See FileReader.readAsArrayBuffer.