jquery.inview2.min.js

/**
 * Jquery Inview 2
 * Version: 0.1
 * Author: Matthew Frey (mmmeff)
 *    - forked from http://github.com/protonet/jquery.inview/
 */
(function(e){function t(){var t=e();if(e.each(n,function(e,i){var n=i.data.selector,a=i.$element;t=t.add(n?a.find(n):a)}),t.length)for(var i=0;t.length>i;i++)if(t[i])if(e.contains(r,t[i])){var a=e(t[i]),c=a.data("inview"),l=a[0].getBoundingClientRect(),o=a.height(),h=a.width();l.top>=0-o&&l.left>=0-h&&l.bottom<=(d.innerHeight||r.clientHeight)+o&&l.right<=(d.innerWidth||r.clientWidth)+h?c||a.data("inview",!0).trigger("inview",[!0]):c&&a.data("inview",!1).trigger("inview",[!1])}else delete t[i]}var i,n={},a=document,d=window,r=a.documentElement,c=e.expando;e.event.special.inview={add:function(a){n[a.guid+"-"+this[c]]={data:a,$element:e(this)},i||e.isEmptyObject(n)||(i=setInterval(t,333))},remove:function(t){try{delete n[t.guid+"-"+this[c]]}catch(a){}e.isEmptyObject(n)&&(clearInterval(i),i=null)}}})(jQuery);