思路：利用哈希表检测当前对象是否已经拷贝过，是的话则直接返回该对象

let hashMap = new WeakMap()
function deepCloneCicle = (obj,hashMap){
    let objClone = Array.isArray(obj) ? [] : {};
    if(hashMap.has(obj)) return hashMap.get(obj)
    if (obj && typeof obj === "object") {
        if(Object.prototype.toString.call(obj) === '[object Array]'){
            hashMap.set(obj,objClone)
            obj.foreach(item=>{
                objClone.push(deepCloneCicle (item,hashMap))
            })
        } else {
            hashMap.set(obj,objClone)
            for(let key in origin){
                if(obj.hasOwnProperty(key)){
                    result[key] = deepCloneCircle(obj[key],hashMap)
                }            
            }
        }
                
    } else {
        return obj
    }
    return objClone;
}