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                js只支持繼承,沒有接口實現 ~~~ function Box(){ //父類 this.name='tianwie'; } function Desk(){ 子類 this.age=100; } Desk.prototype=new Box(); //通過原型鏈繼承 var desk=new Desk(); alert(desk.name); ~~~ ![](https://box.kancloud.cn/8a158837e60439da6eb4bdb832ac1ef9_778x544.png) ## 1.原型鏈繼承 ## 2.借用構造函數繼承(對象冒充) ## 3. 組合繼承(結合前2種) ## 4.原型式繼承 ## 5.寄生式繼承(原型式+工廠模式)
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