[Node.js] 第一個程式Hello World

建立檔案HelloWorld.js

var http = require('http');
http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('Hello World\n');
}).listen(8888, "127.0.0.1");

console.log('Server running at http://127.0.0.1:8888/');

然後執行

~$ node HelloWorld.js

打開瀏覽器http://127.0.0.1:8888/

就可以看到Hello World

See Also
Synopsis
Node - HTTP