Fetch and parse multiple JSON datasets

fetchMultiple.js

function fetchMultiple( datasets, predicate, finished ){
	var functions = [];
	var results = [];
	for( var i = 0 ; i < datasets.length ; ++i ){
		functions.push( (function(i){ return function(){
			$.getJSON( datasets[i], function( response ){
				results.push( predicate( response ) );
				functions[i+1]();
				});
	
			}; })(i) );
		}
	functions.push(function(){
		finished( results );
		});
	functions[0]();
	}