defineEmit
时间: 2023-10-20 09:27:34 浏览: 52
defineEmit是Vue 3中的一个函数,它接受一个数组作为参数,数组中的元素是自定义事件名。通过使用defineEmit函数,我们可以在组件中显式地声明组件可能触发的事件。这样做的好处是可以在使用组件的地方提供对应的事件处理函数,并增加代码可读性和可维护性。在使用defineEmit函数时,可以通过约束emit函数的类型来限制事件处理函数的参数和返回值,从而更好地控制组件的行为和交互。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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