text: #!/usr/bin/env node
  console.log('hello, gushi');
  
  function f(a, b) { return a * b; }
  
  var x, y;
  x = 1;
  y = 5;
  z = ( x + y ) * 2;
  
  function createImage(name){
      return new Image(name);
  }
  
  /*
  var http = require('http'); 
  http.createServer(function (req, res) { 
    res.writeHead(200, {'Content-Type': 'text/plain'}); 
    res.end('Hello World\n'); 
  }).listen(9999, "0.0.0.0"); 
  console.log('Server running at http://127.0.0.1:8001/'); 
  */
  
  const http = require('http');
  
  
  (async () => {
      var cnt = 5; while(cnt-- > 0)
      console.log('gushi is here!' + cnt);
  })()
  
  console.log('bye, gushi');
  