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Node.js - WebSocket demo
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| <!DOCTYPE html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>title</title> | |
| </head> | |
| <body> | |
| <button type="button" id="btn">Send</button> | |
| <script> | |
| const socket = new WebSocket('ws://localhost:9999') | |
| socket.addEventListener('error', () => { | |
| console.log('error') | |
| }) | |
| socket.addEventListener('open', () => { | |
| console.log('connect') | |
| }) | |
| socket.addEventListener('message', (e) => { | |
| console.log(`message: ${e.data}`) | |
| }) | |
| document.getElementById('btn').addEventListener('click', () => { | |
| socket.send('Hellow World!') | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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| const WebSocket = require('ws') | |
| const wss = new WebSocket.Server({ port: 9999 }) | |
| wss.on('connection', (ws) => { | |
| console.log('connect') | |
| ws.on('message', (message) => { | |
| console.log(`message: ${message}`) | |
| }) | |
| }) |
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