Function lz

demo/js/main.js:1964–1966

(num)

$def($def.S, 'Date', {now: function(){ return +new Date; }});

var lz = function(num){
  return num > 9 ? num : '0' + num;
};

// 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
// PhantomJS and old webkit had a broken Date implementation.