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                            ## 深度拷貝初級版
```
var obj1 = {
    a:{
      c:{
        e:5
      },
      d:[{name:1},{name:2},{name:3}]
    },
    b:2
  }

  var obj2 = {};

  function copy(target, source) {
    for(var k in source){
      if(typeof source[k] == 'object'){
        if(Array.isArray(source[k])){
          target[k] = [];
        }else{
          target[k] = {};
        }
        copy(target[k], source[k]);
      }else{
        target[k] = source[k];
      }
    };
  }

  copy(obj2, obj1)
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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