<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="../js/vue221.js"></script>
</head>
<body>
<div id="app">
<ul>
<li v-for="(item,index) in arr" :key=index>
<p v-for="(x,y) in arr" v-if="item>=x" :key=y>
{{item}}*{{x}}={{item*x}}
</p>
</li>
</ul>
</div>
<script>
let vm=new Vue({
el:"#app",
data:{
arr:[1,2,3,4,5,6,7,8,9]
}
})
</script>
</body>
</html>
