var simpleName = "cindy";

    var obj = {

        "name":"radish",

        "age":24

    };

    var list = [

        obj,

        {

            "name":"ruby",

            "age":22,

            "friends":[obj, "cindy"],

            sayHello:function () {

                alert("hello" + this.friends);

            }

        }];

    //深拷贝 不受影响

    console.log(markName(deepCopy(simpleName),"_js"));//cindy_JS

    console.log(simpleName);//cindy

    //未拷贝 也没变化

    //console.log(markName(simpleName,"_js"));

    //console.log(simpleName);

    //深拷贝 不受影响

    console.log(markName(deepCopy(obj),"_js"));

    console.log(obj);

    //未拷贝 对象被改变

    //console.log(markName(obj,"_js"));

    //console.log(obj);

    //深拷贝 不受影响

    console.log(markName(deepCopy(list), "_js"));

    console.log(list);

    //未拷贝 对象被改变

    //console.log(markName(list,"_js"));

    //console.log(list);

    //给对象的name属性添加_JS后缀

    function markName(source, flag) {

        var type = typeof source, simpleType = ["string", "number", "boolean"];

        if (!source) {

            return source;

        } else if (-1 != simpleType.indexOf(type)) {

            return source + flag;

        } else {

            for (var i in source) {

                source[i] = typeof source[i] === "object" ? markName(source[i], flag) : "name" == i ? source[i] + flag : source[i];

            }

            return source;

        }

    }

    ;

    //深拷贝对象

    function deepCopy(obj){

        var type = typeof obj, simpleType=["string","number","boolean"], rs;

        if(obj){

            if(-1!=simpleType.indexOf(type)){

                rs = obj;

            }else{

                rs= obj.constructor === Array? []:{};

                for(var i in obj){

                    if(obj.hasOwnProperty(i)){

                        rs[i] = typeof obj[i]==="object"? deepCopy(obj[i]):obj[i];

                    }

                }

            }

        }else{

            rs = "error";

        }

        return rs;

    }