Vue中key keep-alive
1480 ワード
keep-alive key
<script type="text/javascript" src="./vue.js"/>
<div id="app">
<keep-alive>
<child-component key="1" v-if="seen" name="1"/>
<child-component key="2" v-if="!seen" name="2"/>
</keep-alive>
<button>toggle</button>
</div>
<script type="text/javascript">
Vue.component('child-component', {
template: `<input type="text" placeholder="enter">`,
data() {
return {}
},
props: ["name"],
mounted() {
console.log(`${this.name} mounted`)
}
})
const vm = new Vue({
el: "#app",
data: {
seen: true
},
methods: {
toggle() {
this.seen = !this.seen;
}
}
})
</script>
</code></pre>
<p>key ， key Vue ， prop ， Vue </p>
<p> keep-alive ， <code>created mounted</code> ，</p>
<p> </p>
</div>
</div>
</div>