block empty links

blockEmptyLinks.js

function blockEmptyLinks(){
      var links = document.getElementsByTagName("a");
      for(var i=0; i< links.length; i++){
          var url = links[i].getAttribute("href");
          if(url!== null &&  url===""){ 
          	links[i].style.pointerEvents = "none";
          };
      }
      
  };
  
blockEmptyLinks();