Express simple get request

App.js

 app.get('/',function(req,res){
 
  //send Json 
  var js_On = ['One','Two','Three','Four']
  res.json(js_On)
  res.end()
  
  //send HTML
  var html = "<h1>Head</h1>"
  res.send(html)
  res.end()
  
  //send a file
  var file = __dirname+'/public/index.html'
  res.sendFile(file)
  res.end()
  
 })

A Simple gist for handling response