async each for an array

async-consecutive.js

/**
 * for each item in the array, call a function, but only after the previous has called the callback.
**/

function consecutive (list, task) {
	 var count = 0;
	 function step() {
	 	var item = list[count];
	 	//console.log(count++);
		if(typeof item === 'undefined') {
		//	console.log('this istem is undefined');
			return;
		}
	 	response = task(item, step);
	 }
	 step();
}
/**
  * usage
 **/

consecutive([5,8,4,6,5,7], function(item, cb){
  $.get( "ajax/test.php?amount="+item, function( data ) {
    console.log( "Load was performed.", data );
    cb();
  });
});