연습중인 node js

+var http = require('http');
+var fs = require('fs');
+var url = require('url');
+
+var app = http.createServer(function (request, response) {
+    var _url = request.url;
+    if (_url == '/') {
+        _url = '/index.html';
+    }
+    if (_url == '/favicon.ico') {
+        return response.writeHead(404);
+    }
+    response.writeHead(200);
+    response.end(fs.readFileSync(__dirname + _url));
+
+});
+app.listen(3000);
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