javascript 克隆对象/数组的方法 clone()

 

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javascript 克隆对象/数组的方法 clone()

 

 

 

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demo:

code:

        var Obj;
        let clone = (Obj) => {
            var buf;
            if (Obj instanceof Array) {
                buf = [];
                var i = Obj.length;
                while (i--) {
                    buf[i] = clone(Obj[i]);
                    console.log(`Array buf[k] = ${buf[i]}`);
                    console.log(`Array buf[k] = ${buf[i]}`);
                }
                console.log(`Array = ${buf}`);
                return buf;
            }else if(Obj instanceof Object){
                buf = {}; 
                for (var k in Obj) { 
                    buf[k] = clone(Obj[k]);
                    console.log(`Object buf[k] = ${buf[k]}`);
                }
                console.log(`Object = ${buf}`);
                return buf;
            }else {
                console.log(`Other = ${Obj}`);
                return Obj;
            }
        }
        let obj = {name: "xgqfrms", age: 23}
        // let arr = [{name: "xgqfrms"},{age: 23}];
        let arr = ["name", "xgqfrms", "age", 23];
        let str = `xgqfrms`;

        let o = clone(obj);
        console.log(`\n\nTest obj = ${o}`);

        let a = clone(arr);
        console.log(`\n\nTest arr = ${a}`);

        let s = clone(str);
        console.log(`\n\nTest str = ${s}`);

 

 

 

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