<span>Message: {{ msg }}</span>
<div :id="dynamicId"></div>
{{ number + 1 }}
{{ ok ? 'YES' : 'NO' }}
{{ message.split('').reverse().join('') }}
<div :id="`list-${id}`"></div>
<a v-on:[eventName]="doSomething"> ... </a>
<!-- 简写 -->
<a @[eventName]="doSomething"> ... </a>
等价于v-on:focus
<form @submit.prevent="onSubmit">...</form>