var object = [1, 2, 3, 4, 5];

 for (i = 0; i < object.length; i++) {
                if (object[i] == 3) {
                    $('div').append('typing');
                   sleep(2);

                }
                console.log(object[i]);
   }



function sleep(seconds) {
        var waitUntil = new Date().getTime() + seconds * 1000;
        while (new Date().getTime() < waitUntil) true;
    }