Animation au chargement d'articles en ajax (wordpress)

AnimationArticles.class.js

var AnimationArticles = function(articlesBruts, articlesContainersTab) {
	this.articlesBruts         = articlesBruts;
	this.articlesContainersTab = articlesContainersTab;
	this.newlyLoadedTab        = [];
	this.articlesTraites;
	this.newlyLoadedContainer;

	this.init();
}

AnimationArticles.prototype.init = function(){
	$('.newlyLoadedActu').removeClass('newlyLoadedActu');
	this.parsing();
};

AnimationArticles.prototype.getNewlyLoadedContainer = function(){
	return this.newlyLoadedContainer;
};

AnimationArticles.prototype.parsing = function(){
	this.newlyLoadedContainer           = document.createElement('div');
	this.newlyLoadedContainer.innerHTML = this.articlesBruts;
	this.newlyLoadedContainer.className += 'newlyLoadedActu';
	this.newlyLoadedTab                 = $('.newlyLoadedActu').find('.media');
};

AnimationArticles.prototype.animate = function(){
	$('.newlyLoadedActu a.media').each(function(index, elem) {
		setTimeout(function() {
			TweenMax.to($(elem), 0.8, { opacity: 1, ease: Sine.easeOut, }); }, index * 220);
	});
};