筛选出2的倍数然后让它显示在li!DOCTYPE htmlhtml lang=enhead meta charset=UTF-8 meta http-equiv=X-UA-Compatible content=IE=edge meta name=viewport content=width=device-width initial-scale=10 titleDocumen
<body>
<div id="app">
<li v-for="(item, index) in evenNumbers">{{item}}</li>
</div>
<script>
new Vue({
el:'#app',
data:{
arr:[
1,2,3,4,5,6,7,8,9,12,14
],
allc:true
},
computed:{
evenNumbers(){
return this.arr.filter(num => num % 2 === 0);
}
}
})
</script>
</body>
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