Baseline Widely available
Note: This feature is available in Web Workers.
The WebSocket.binaryType
property controls the type of binary data being received over the WebSocket connection.
A string:
"blob"
Use Blob
objects for binary data. This is the default value.
"arraybuffer"
Use ArrayBuffer
objects for binary data.
// Create WebSocket connection.
const socket = new WebSocket("ws://localhost:8080");
// Change binary type from "blob" to "arraybuffer"
socket.binaryType = "arraybuffer";
// Listen for messages
socket.addEventListener("message", (event) => {
if (event.data instanceof ArrayBuffer) {
// binary frame
const view = new DataView(event.data);
console.log(view.getInt32(0));
} else {
// text frame
console.log(event.data);
}
});
Specifications Browser compatibility
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4