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                # 混入式繼承 把obj1賦值給obj2 ***** 原型的兩大特性: 1)數據共享 2)繼承 <br> ```javascript var obj1 = {name:"zs",age:10}; var obj2 = {}; // 將obj1中的成員拷貝到obj2中 for (var key in obj1) { obj2[key] = obj1[key]; } console.log(obj1); console.log(obj2); ``` ***** ## 有bug, >[danger] >一旦其中一個對象的屬性更改了,繼承這個對象的屬性的那個對象屬性也會進行更改,會有數據共享的問題存在
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