<div id="app">
<cpn><span slot="center">replace the middle slot</span></cpn>
<cpn><span slot="left">replace the left slot</span></cpn>
</div>
<template id="cpn">
<div>
<slot name="left"><span>left</span></slot>
<slot name="center"><span>middle</span></slot>
<slot name="right"><span>right</span></slot>
</div>
</template>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script>
const app = new Vue({
el:'#app',
data:{
},
methods:{
btnclick(){
}
},
components:{
cpn:{
template:'#cpn'
}
}
})
</script>
