vue-局部组件

<div id="app">
  <npm></npm>
  <hello-world></hello-world>
</div>
 
//引入vue.js
 
<script src="vue.js"></script>
<script>
 
  //注册组件
  const cpm = {
    data(){
     return{
      title:"我是标题"
     }
    },
    template:`
     <div>
        <h2>{{title}}</h2>
     </div>
    `
  }
 
  //注册第二个组件
  const HelloWorld = {
     data(){
       return{
           name:"Hello world"
        }
      },
      template:`
        <div>
        <h3>{{name}}</h3>
       </div>
      `
   }
  let app = new Vue({
     el:"#app",
     data:{
     
      },
    //注意:写局部组件要写在Vue里面
    components:{
       //创建组件
        "cpm":cpm,
        "hello-world":HelloWorld
     }
  })
</script>