vue v-for 遍历数组

<div id="app">
            <!-- 1、在遍历过程中，没有使用索引下标值 -->
          <ul>
              <li v-for="item in names">{{item}}</li>
          </ul>
          <!-- 2、在遍历过程中使用索引值 -->
          <ul>
              <li v-for="(item,index) in names">{{index+1}}-{{item}}</li>
          </ul>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>    
    <script>
            const app = new Vue({
                el:'#app',
                data:{
                    message:"你好啊",
                    names:['why','kobe','james','curry']
                },
                methods:{
                  
                }
            })
        </script>