按照讲解敲的，界面出现异常，显示了插值表达式{{item}}
<div id="root">
<div >
<input v-model="inputValue" />
<button @click="handleSubmit">提交</button>
</div>
<ul>
<li v-for="(item, index) of list" :key="index">
{{item}}
</li>
</ul>
</div>
<div id="root">
<div >
<input v-model="inputValue" />
<button @click="handleSubmit">提交</button>
</div>
<ul>
<li v-for="(item, index) of list" :key="index">
{{item}}
</li>
</ul>
</div>
2019-09-18
