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                ### 左表達式 左邊的值是賦值的目標。 - [屬性訪問符](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Property_accessors) 成員運算符提供了對對象的屬性或方法的訪問 (`object.property` 和 `object["property"]`). - [`new`](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/new) `new` 運算符創建了構造函數實例。 - [`new.target`](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/new.target) 在構造器中,`new.target` 指向[`new`](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/new)調用的構造器。 - [`super`](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/super) `super` 關鍵字調用父類的構造器. - [`...obj`](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Spread_operator) 展開運算符可以將一個可迭代的對象在函數調用的位置展開成為多個參數,或者在數組字面量中展開成多個數組元素。
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