html rendering test

+var http = require('http');
+var fs = require('fs');
+
+function onRequest(req, res){
+    res.writeHead(200, {'Content-Type': 'text/html'});
+    fs.readFile('./map/map.html', null, function(err,data){
+        if(err){
+            res.writeHead(404);
+            res.write('error');
+        }
+        else{
+            console.log('complete!');
+            res.write(data);
+        }
+        res.end();
+    });
+}
+
+http.createServer(onRequest).listen(3000);
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