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<div id="app">
<counter></counter>
<counter></counter>
<counter></counter>
</div>
<script src="node_modules/vue/dist/vue.js"></script>
<script>
Vue.component("counter",{
template:"<button @click='count++'>点我试试,已经点击{{count}}次</button>",
data(){
return{
count:0
}
}
});
const app=new Vue({
el:"#app",
data:{
}
});
</script>