var delegate = require('delegate');
var ul = document.querySelector('ul');
var n = 0;
var fn = delegate.bind(ul, 'li a', 'click', function(e){
  console.log(e.target);
  console.log(e.delegateTarget); // => "<a>"
  if (++n == 3) {
    console.log('unbind');
    delegate.unbind(ul, 'click', fn, false);
  }
}, false);