async_js_example

async_js_example.js

$(document).ready(function() {
  
	async.waterfall([
		function(next){
			setTimeout(function() { 
				console.log('in this tImeout');
				next(null, 'one', 'two');			
			}, 
			2000);
		
		},
		function(arg1, arg2, next){
		   console.log('arguments ' + arg1);
		   setTimeout(function() { 
				console.log('in other tImeout');
				next(null, 'three');		
			    //next('whooops', 'error');
			}, 
			2000);
		},
		function(arg1, next){
			next(null, arg1);
		}
	], function (err, result) {
		console.log('result ' + result);
		console.log('error ' + err);
	});
		
});