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Socket.sendBinary(data)

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Send binary data through the connection.

ParameterTypeDescription
dataArrayBufferThe data to send.

Example

import ws from 'k6/ws';
const binFile = open('./file.pdf', 'b');
export default function () {
ws.connect('http://wshost/', function(socket) {
socket.on('open', function() {
socket.sendBinary(binFile);
});
socket.on('binaryMessage', function(msg) {
// msg is an ArrayBuffer, so we can wrap it in a typed array directly.
new Uint8Array(msg);
});
});
}