xwartz

var noMatch = /\w\b\w/;

var noMatch = /(.)^/;

xwartz

// 普通字面量对象的深拷贝
_.cloneDeep = function (obj) {
  if (typeof(obj) != 'object' || obj == null) return obj;
  if(obj instanceof Date) {
    return new Date(obj.getTime());
  }
  var newObj = {};
  // 数组
  if(Object.prototype.toString.call(obj) === '[object Array]') {