<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<p v-for="i in arr">{{i}}</p>
<button v-on:click="changeClick">点击减少</button>
</div>
<script src="https://cdn.bootcss.com/vue/2.6.11/vue.js"></script>
<script>
new Vue({
el:"#app",
data(){
return {
arr:["q","w","e","r","t","y","u"]
}
},
methods:{
changeClick() {
this.$delete(this.arr,0)
// this.arr.pop()
// console.log(this.arr);
}
}
})
</script>
</body>
</html>
Python3Turtle