text: // 浅拷贝
  const shallowCopy = (source, target = {}) => {
  	var key;
  	for (key in source) {
  		if (source.hasOwnProperty(key)) {
  			// 意思就是proto上面的属性,我不拷贝
  			target[key] = source[key];
  		}
  	}
  	return target;
  };
  
  export { shallowCopy };
  