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socket.io を使用したchat サンプル
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| 'use strict' | |
| let socket = io.connect(), | |
| input_message = $('#input_message'); | |
| socket.on('connect', function() { | |
| add_message('connect success'); | |
| }); | |
| socket.on('chat_message', function(message) { | |
| add_message(message); | |
| }); | |
| input_message.on('keydown', function(event) { | |
| if (event.which != 13) return; | |
| let message = $(this).val(); | |
| if (message == '') return; | |
| socket.emit('chat_message', message); | |
| $(this).val('').focus(); | |
| }); | |
| let add_message = function(message) { | |
| if (message == '') return; | |
| let p = $('<p>').text(message).hide(); | |
| input_message.after(p); | |
| p.show('fast'); | |
| } |
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| <!DOCTYPE html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>socket.io chat</title> | |
| </head> | |
| <body> | |
| <input type="text" id="input_message" autocomplete="off"> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script> | |
| <script src="/socket.io/socket.io.js"></script> | |
| <script src="client.js"></script> | |
| </body> | |
| </html> |
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| 'use strict' | |
| var express = require('express'), | |
| app = express().use(express.static('./')), | |
| socket = require('socket.io')(app.listen(8888)); | |
| socket.on('connection', function(new_socket) { | |
| new_socket.on('chat_message', function(message) { | |
| socket.sockets.emit('chat_message', message); | |
| }); | |
| }); |
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