条件渲染

v-if

只有当表达式值为真时才被渲染

<h1 v-if="awesome">Vue is awesome!</h1>

v-else

<button @click="awesome = !awesome">Toggle(切换)</button>
<h1 v-if="awesome">Vue is awesome!</h1>
<h1 v-else>Oh no 

标签：show,awesome,元素,else,切换,渲染,条件	

From： https://www.cnblogs.com/zmhz/p/17344130.html