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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
                方法重載和方法重寫,是面向對象的“多態”中的概念。面向對象有三大基本特征:封裝、繼承、多態(一個方法有多種形態,方法重載) JS中是不支持方法重載的,但是可以使用判斷參數的類型或參數個數來模擬實現方法重載 我們的animate方法就是這樣 方法重寫是指寫義在子類上的方法覆蓋了父類上的方法,比如Array.prototype.toString覆蓋了Object.prototype.toString,在Array類的實例上再使用toString方法,就訪問不到Object類上的toString方法了
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