@abstract (synonyms: @virtual)¶
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.. @abstract::
¶ - 同义词
- 概述
@abstract标记标识必须由继承该成员的对象实现(或覆盖)的成员.
- 示例
- 具有抽象方法的父类和实现该方法的子类¶
/** * Generic dairy product. * @constructor */ function DairyProduct() {} /** * Check whether the dairy product is solid at room temperature. * @abstract * @return {boolean} */ DairyProduct.prototype.isSolid = function() { throw new Error('must be implemented by subclass!'); }; /** * Cool, refreshing milk. * @constructor * @augments DairyProduct */ function Milk() {} /** * Check whether milk is solid at room temperature. * @return {boolean} Always returns false. */ Milk.prototype.isSolid = function() { return false; };