IframeEmbedExternal.js

gistfile1.txt

window.addEventListener('message', function(event) {
  console.log("test");
  var links = document.querySelectorAll("a");
  for( var i = 0; i < links.length ; i++ ){
      links[i].addEventListener("click" , function(e){
        if(event.data.iframeDisableLink){
        e.preventDefault();
        }
      window.parent.postMessage({
        url: this.href 
      }, "*");
    });	
  }
});