take advantages of recursive async

async_recursive.js

    // take advantages of recursive async
    function getMessages(maxMessage) {
        var messages = [];
        function getNextMessage() {
            $.ajax({
                url: 'https://www.zalora.sg/ajax/catalog/justforyou/?feedName=recentlyviewed&brandName=&size=20&category=&userId=10214339066013667&engine=datajet',
                method: 'GET',
                async: true,
                success: function(msg) {
                    if (messages.length < maxMessage) {
                        if (messages.indexOf(msg) == -1) {
                          messages.push(msg);
                        }
                        getNextMessage();
                    } else {
                      console.log(messages);
                    }
                }
            });
        }
        getNextMessage();
    }

    getMessages(3);