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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 構造函數的補充(原型對象) >構造函數的補充 1)在函數內部默認會創建一個空對象 var obj = new Object(); 2)默認把創建好的對象賦值給this this = obj; 3)默認設置this的原型對象為當前構造函數的原型對象 4)通過this添加屬性和方法 5)默認會把內部創建的對象返回 return this; ***** ``` function Person(name,age) { /*內部偽代碼 * var obj = new Object(); * obj.name = name; * obj.age = age; * obj.__proto__ = Person.prototype;//將Object的原型對象改為當前構造函數的原型對象 * */ this.name = name; this.age = age; /*return obj;*/ } var per1 = new Person("cs",3); console.log(per1); ```
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