copy from http://www.nodebeginner.org/index-jp.html

server-test1.js

var http = require("http");
var fs   = require("fs");
var path = require("path");

http.createServer
( function(request, response)
  { var filename = request.url.substr(1);
    if (path.existsSync(filename))
    { response.writeHead
      ( 200
      , {"Content-Type": "text/plain"}
      );
      response.write
      ( request.url + "\n"
      + "----------" + "\n"
      );
      response.write
      ( fs.readFileSync(filename)
      , 'utf-8'
      );
    } else 
    { response.writeHead(404);
    }
    response.end();
  }
).listen(80);