vue换一换功能原型
Posted lwj820876312
tags:
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<html>
<meta charset="utf-8">
<head>
<script src="https://cdn.bootcss.com/vue/2.5.17-beta.0/vue.min.js"></script>
</head>
<body>
<div id="app">
<ul v-show="flag==1">
<li v-for="item in lists.slice(0,3)">{{item.name}}</li>
</ul>
<ul v-show="flag==2">
<li v-for="item in lists.slice(3,7)">{{item.name}}</li>
</ul>
<ul v-show="flag==3">
<li v-for="item in lists.slice(7)">{{item.name}}</li>
</ul>
<button v-on:click="changeflag">换一换</button>
</div>
</body>
<script>
new Vue({
el:‘#app‘,
data(){
return{
flag:1,
count:1,
lists:[
{name:"push()"},
{name:"pop()"},
{name:"shift()"},
{name:"unshift()"},
{name:"splice()"},
{name:"sort()"},
{name:"reverse()"},
{name:"shift()"},
{name:"unshift()"},
{name:"splice()"},
{name:"sort()"},
{name:"reverse()"},
]
}
},
methods:{
changeflag(){
this.count++;
if(this.count>3){
this.count=1;
}
this.flag=this.count;
}
}
})
</script>
</html>
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