// 深拷贝函数
function deepCopy(obj){
let newObj = Array.isArray(obj)?[]:{}//判断是否是数组
for(let key in obj){
// 排除null ''的影响
if(obj.hasOwnProperty(key)){
// typeof ['study', 'working', 'looking'] === 'object'
if(obj[key] && typeof obj[key] === 'object'){
newObj[key] = deepCopy(obj[key]) // 递归调用
}else{
newObj[key] = obj[key]
}
}
}
return newObj
}
let sourceObj = {
name: 'winki',
hobby: ['study', 'working', 'looking']
}
let anotherObj2 = {}
anotherObj2 = deepCopy(sourceObj)
