remove default onclick behaviour from links

clearonclick.user.js

// ==UserScript==
// @name           clearonclick
// @namespace      http://rampion.myopenid.com
// @description    clear onclick behaviour from html links
// @include        http://andrewsullivan.theatlantic.com/the_daily_dish/*
// ==/UserScript==

try {
  GM_log("called");
  const links = document.getElementsByTagName('a');
  for (var i = links.length - 1; i >= 0; i--) {
    (function(link){
      link.addEventListener('click', function(ev) {
          try { 
            GM_log('clicked '+link.href);
            // ev.preventDefault(); // doesn't seem to be sufficient
            link.wrappedJSObject.onclick = null; // can't find a better way to do this.
          } catch (e) {
            GM_log(e);
          }
          return false;
      }, false);
    })(links[i]);
  }
} catch (e) {
  GM_log(e);
}