_elementStyle = document.createElement('div').style;
  _vendor = (function() {
    var i, transform, vendor, vendors, _i, _len;
    vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'];
    for (i = _i = 0, _len = vendors.length; _i < _len; i = ++_i) {
      vendor = vendors[i];
      transform = vendors[i] + 'ransform';
      if (transform in _elementStyle) {
        return vendors[i].substr(0, vendors[i].length - 1);
      }
    }
    return false;
  })();
  _prefixStyle = function(style) {
    if (_vendor === false) {
      return false;
    }
    if (_vendor === '') {
      return style;
    }
    return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
  };
  transform = _prefixStyle('transform');
  hasTransform = transform !== false;

transform;

使用safari浏览器运行，打印结果：webkitTransform