jQuery multiple deferreds

gistfile1.js

/* http://jsfiddle.net/Zp3MZ/1/ */

$(function() {
    
    var objs = [{'one':1},{'two':2},{'three':3}];
    
    ajaxCall = function(i) {
        return $.ajax({
            url:'/echo/html/',
            method: 'POST',
            data: {id:i}
        }).done(function (data) {
          console.log('ajax call');  
        });   
    }
    
   $.when.apply($,
        objs.map(function(i) {
            return ajaxCall(i);
        })
    ).then(function(response) {
        console.log('all done');
    });
    
});