code: function preventAll () {
      function shield (req) {
        req.prevent();
      }
      measly.on('create', shield);
      text(preventButton, 'Shield On..');
      preventButton.classList.add('cm-prevent-on');
  
      setTimeout(function () {
        measly.off('create', shield);
        text(preventButton, 'Prevent for 5s');
        preventButton.classList.remove('cm-prevent-on');
      }, 5000);
    }
docs: prevents all requests fired by measly for 5 seconds.