https://www.cnblogs.com/echolun/p/7889848.html

https://www.cnblogs.com/jieker/p/8946213.html

 

// 判断变量的类型

function getType(obj){

var str = Object.prototype.toString.call(obj);

var map={

'[object Boolean]' : 'boolean',

'[object Number]' : 'number',

'[object String]' : 'string',

'[object Function]' : 'function',

'[object Array]' : 'array',

'[object Date]' : 'date',

'[object RegExp]' : 'regExp',

'[object Undefined]': 'undefined',

'[object Null]' : 'null',

'[object Object]' : 'object'

}

if(obj instanceof Element){ //判断是否是dom元素，如div等

return "element";

}

return map[str];

}

//深拷贝函数

function deepCopy(p){

var obj;

var str = getType(p);

if(str == 'array'){

obj = [];

for (var i = 0; i < p.length; i++) {

obj.push(arguments.callee(p[i])); //回调自己

}

}else if(str == 'object'){

obj = {};

for(var i in p){

obj[i] = arguments.callee(p[i]);

}

}else{

return p;

}

return obj;

}