为什么这两个方法调用方式不一样?
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<header class="header">
<h1>todos</h1>
<input class="new-todo"
autofocus
autocomplete="off"
placeholder="What needs to be done?"
@keyup.enter="addTodo">
</header>
<!-- main section -->
<section class="main" v-show="todos.length">
<input class="toggle-all"
type="checkbox"
:checked="allChecked"
@change="toggleAll({ done: !allChecked })">
<ul class="todo-list">
<todo v-for="(todo, index) in filteredTodos" :key="index" :todo="todo"></todo>
</ul>
</section>
addTodo和toggleAll两个方法调用方式不一样,一个可以加括号穿餐