JS | Vanilla | Prevent default

// for a single element
document.querySelector('#ID').addEventListener('click', function(e){
        e.preventDefault();
   });

// for a group
var anchors = document.getElementsByTagName('a');
 for(i=0, l=anchors.length; i<l; i++){
     anchors[i].addEventListener('click', function(e){e.preventDefault();});
 }