vue.js的下载和引用地址
https://blog.csdn.net/LlanyW/article/details/125199856
https://v2.vuejs.org/v2/guide/installation.html
vue.js如果下载到本地, 则无法使用devtool
在这里插入代码片
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>test vue</title>
<script src="vue.js"></script>
<!-- <script src="https://cdn.jsdelivr.net/npm/vue@2.7.16/dist/vue.js"></script> -->
</head>
<body>
<div id="app"><ul><li v-for="(item, index) in home" :key = "item.name">{{index+1}} 名字: {{ item.name }} 年龄 {{item.age}}<button @click="del(item.name)">删除</button></li></ul>
</div>
<script>const app = new Vue({el: '#app',data: {home: [{ name: '果果', age:12 },{ name: '豆豆', age:17 },{ name: '爸爸', age:50 },{ name: '妈妈', age:40 },]},methods:{del(name){// console.log("clicked" + name)this.home = this.home.filter((item)=>item.name!=name);// this.home = this.home.filter(function(item){// return item.name != name // });// data=data.filter(item=>item.name!='张三');}}
})
</script>
</body>
</html>
