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                            ## 前言 
從另外的角度解讀react框架 。

## 比較差異的原理和過程

~~~

偽代碼的整理 ：
構建virtual dom樹結構
var tree = new Element(“div”,{props:{id:’test’}},’hello there’) ;

將vitrual dom樹插入到真正的dom中
var root =  render(tree,document.getElementById(“container”)) ;

變化后的新的vitrual dom樹
var newTree = new Element(“div”,{props:{id:test2}},’hello world’) ;

通過diff算法對比出兩棵樹的不同
var patches = diff(tree,newTree) ;

dom中使用變更
Patch(root,patches) 
~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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