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@koentjuh1
Last active August 30, 2016 12:58
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/* Take ID of youtube video */
<div class="youtube" id="XqFl-S48NSw"></div>
// youtube optimization script:
var i,c,y,v,s,n;v=document.getElementsByClassName("youtube");if(v.length>0){s=document.createElement("style");s.type="text/css";s.innerHTML='.youtube{background-color:#000;max-width:100%;overflow:hidden;position:relative;cursor:hand;cursor:pointer}.youtube .thumb{bottom:0;display:block;left:0;margin:auto;max-width:100%;position:absolute;right:0;top:0;width:100%;height:auto}.youtube .play{filter:alpha(opacity=80);opacity:.8;height:77px;left:50%;margin-left:-38px;margin-top:-38px;position:absolute;top:50%;width:77px;background:url("data:image/png;base64,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") no-repeat}';document.body.appendChild(s)}for(n=0;n<v.length;n++){y=v[n];i=document.createElement("img");i.setAttribute("src","http://i.ytimg.com/vi/"+y.id+"/hqdefault.jpg");i.setAttribute("class","thumb");c=document.createElement("div");c.setAttribute("class","play");y.appendChild(i);y.appendChild(c);y.onclick=function(){var a=document.createElement("iframe");a.setAttribute("src","https://www.youtube.com/embed/"+this.id+"?autoplay=1&autohide=1&border=0&wmode=opaque&enablejsapi=1");a.style.width=this.style.width;a.style.height=this.style.height;this.parentNode.replaceChild(a,this)}};
//replace youtube div with custom image:
$(".youtube img").attr('src', 'images/video-img.jpg');

Met dit script worden de scripts van YouTube pas geladen wanneer er op de afbeelding word geklikt. Dus niet bij het laden van de pagina. Dit scheelt een hoop tijd.

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