(function(){ "use strict"; var iframeCode = atob( document.getElementById("iframe").src.replace(/^.+base64,/, "") ); document.getElementById("code").textContent = iframeCode; var blob = new Blob([iframeCode], {type: "text/html"}); var newurl = window.URL.createObjectURL(blob); document.getElementById("blobIframe").src = newurl; }());