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POWhat is wrong with my nodejs simple code
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  1. POWhat is wrong with my nodejs simple code
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    copied!<p>This is my nodejs code :</p> <pre><code>var io = require('socket.io').listen(8011); io.sockets.on('connection', function (socket) { socket.emit('news', { hello: 'world' }); socket.on('my other event', function (data) { console.log(data); }); }); </code></pre> <p>and the client html is :</p> <pre><code>&lt;script src="/socket.io/socket.io.js"&gt;&lt;/script&gt; &lt;script&gt; var socket = io.connect('http://localhost'); socket.on('news', function (data) { console.log(data); socket.emit('my other event', { my: 'data' }); }); &lt;/script&gt; </code></pre> <p>when I run it using node a.js, I get the following error:</p> <pre><code>node.js:134 throw e; // process.nextTick error, or 'error' event on first tick ^ TypeError: Object 8011 has no method 'listeners' at new &lt;anonymous&gt; (/home/zjm1126/node_modules/socket.io/lib/socket.io/listener.js:29:31) at Object.listen (/home/zjm1126/node_modules/socket.io/lib/socket.io/index.js:11:10) at Object.&lt;anonymous&gt; (/home/zjm1126/桌面/app/a.js:1:93) at Module._compile (module.js:407:26) at Object..js (module.js:413:10) at Module.load (module.js:339:31) at Function._load (module.js:298:12) at Array.&lt;anonymous&gt; (module.js:426:10) at EventEmitter._tickCallback (node.js:126:26) </code></pre> <p>but this is the demo code in <a href="http://socket.io/" rel="nofollow">http://socket.io/</a>, why do I get this error?</p> <p><strong>updated:</strong></p> <p>When I run <code>npm update socket.io</code>, the server side is running </p> <p>but the client side gives this error :</p> <pre><code>io is not defined var socket = io.connect('http://localhost:8011'); </code></pre> <p>what is wrong with this?</p>
 

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