JavaScript-Object-Clone

Js中克隆对象的参考资料

参考资料

1. what is the most efficient way to clone an object

2. cloning an object

3. most elegant way to clone a javascript object

4. how to copy javascript object to new variable not by reference

几种方法

• 使用的方法.

  //for  in
  for(var attr in oldObj){
  	     var newOld={};
  	     if(oldObj.hasOwlProprity(attr)){
  	     newOld[attr]=oldObj[attr];
       }
  }
  
  //JSON
       var newObj=JSON.parse(JSON.stringify(oldObj));
  
  //jQuery
  	浅拷贝
  	var newObj=jQuery.extend({},oldObj);
  	深拷贝
  	var newObj=jQuery.extend(true,{},oldObj);