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karenpeng/websocket_client.js

Last active March 19, 2019 21:34
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websocket_client.js
const wsConnection = new WebSocket('ws://localhost:3000/websocket');
wsConnection.onopen = () => {
console.log('websocket connection is opened')
wsConnection.send('A');
};
wsConnection.onmessage = event => {
if (event.data === '9') {
setTimeout(() => {
wsConnection.send('A');
}, 3000);
}
}
wsConnection.onerror = event => {
if (event.readyState === WebSocket.CLOSED) {
console.log('websocket connection is closed')
}
}
setTimeout(() => {
console.log('client closes the websocket connection');
wsConnection.close();
}, 30000);
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