ntRect()).bottom&&0<=t.left&&t.top<=(n.innerHeight||document.documentElement.clientHeight)&&function(){var e=r[a],t=e,n=function(){r=r.filter(function(t){return e!==t})},i=new Image,o=t.getAttribute("data-original");i.onload=function(){t.src=o,n()},i.src=o}()}i(),n.addEventListener("scroll",function(){var t=i,e=n;clearTimeout(t.tId),t.tId=setTimeout(function(){t.call(e)},500)})}(this)