callee bench

calleebench.js

var times = 15000;

(function() {
  var i = 0, start = Date.now();
  (function() {
    if (++i < times) arguments.callee.call();
  })();
  console.log('callee', Date.now() - start);
})();

(function() {
  var i = 0, start = Date.now();
  (function _() {
    if (++i < times) _.call();
  })();
  console.log('named', Date.now() - start);
})();