<div id="app">
<my-com1></my-com1>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script>
var com1 = Vue.extend({
template:'<h1>这是vue.extend创建的组件</h1>'
})
Vue.component('myCom1',com1)
var vm = new Vue({
el: '#app',
data: {},
methods: {},
})
</script>