var syncFor=require('./syncFor'); //path to syncFor.js 
var arr =   [1,2,3,4,5];
syncFor(0,arr.length,"start",function(i,status,call){
 if(status === "done")
    console.log("array iteration is done")
 else
    makeHttpCall(arr[i],function(){
     call('next') // this acts as increment (i++)
   })
})
function makeHttpCall(pageNo,callback){
 request("www.exaple.com?page="+pageNo,function(err,res){
    callback(); // call the callback when u get answer
  });
}