closure.js

function buildFunction() {
	var arr = [];
  
  for (var i = 0; i < 3; i++) {
  	
  	arr.push(
      (function(j) {
      	return function() {
        	console.log(j);
        }
      })(i)
    );
  }
  return arr;
}

var mynew = buildFunction();

mynew[0]();
mynew[1]();
mynew[2]();