Simple deepclone

function deepclone(target) {
    //  Handwritten simple version deep clone   Original values supported ,function,obj,array         
    if (typeof target === "object") {
        if (target instanceof Array) {
            const tempArr = [];
            for (let i = 0, len = target.length; i < len; i++) {
                tempArr.push(deepclone(target[i]))
            }
            return tempArr
        } else {
            const tempObj = {};
            for (let item in target) {
                tempObj[item] = deepclone(target[item])
            }
            return tempObj
        }
    } else {
        return target
    }
}      
//  The test case      
testObj =  {a:1,b:2,c:{d:3,e:[4,56]}};     
resultObj = deepclone(testObj)