实例如下所示:<template><divclass="hello"><h1>{{msg}}</h1><h2>Foo</h2><div
实例如下所示:
<template>
<div class="hello">
<h1>{{ msg }}</h1>
<h2>Foo</h2>
<div v-for ="(item, index) in list">
<!--<p>{{item }}</p>-->
<h1 v-show="false">{{a[index] = item.bb}}</h1>
<!-- <h1>index:{{index}}</h1>-->
</div>
<h2>a:{{a}}</h2>
<h2>{{cc}}</h2>
<!--<button v-on:click="cc">点击</button>-->
</div>
</template>
<script>
export default {
name: 'foo',
data () {
return {
msg: '这儿是Foo',
list:[{
insertId: 'asfasf252',
bb:29
},{
insertId: '2652',
bb:20
},{
insertId: '996',
bb:18
}],
a:[]
}
},
computed:{
cc: function(){
var sum = 0;
for(var i= 0 ;i< this.a.length; i++) {
sum += parseInt(this.a[i]);
}
return sum;
}
}
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h1, h2 {
font-weight: normal;
}
ul {
list-style-type: none;
padding: 0;
}
li {
display: inline-block;
margin: 0 10px;
}
a {
color: #42b983;
}
</style>
以上这篇vue2.0 computed 计算list循环后累加值的实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持脚本之家。
vue computed list