Антон Покачалов

$(function() {

    var loaded = false;

    var target = document.querySelector('#containerWhereLooking');
    var innerElement = 'idNewElements';

    var observer = new MutationObserver(function (mutations) {
        mutations.forEach(function (mutation) {
          for (var i = mutation.addedNodes.length; i--;) {
            if (mutation.addedNodes[i].id == innerElement) {
                workerWithNewElement();
                loaded = true;
                break;
            }
          }
          if (loaded)
            observer.disconnect();
        });    
    });

    var config = { attributes: true, childList: true, characterData: true }
     
    observer.observe(target, config);

    var workWithNewElements = function () {
        // work work work ...
    };
});

$(function(){
    $('body').on('mouseover', 'div',
            function() {
                $('.name', $(this)).show();
            }
        );
});