SOURCE

new Vue({
    el: "#app",
    data: {
        numbers: [1,2,3,4,5,6,7,8,9]
    },
    computed: {
        evenNumbers() { return this.numbers.filter(item => item % 2 === 0)}
    },
    methods: {
        oddNumbers(arr) { return arr.filter(item => item % 2 !== 0)}
    }
})

<ul id="app">
    <!-- v-for 渲染计算属性的值，偶数列表 -->
    <li v-for="even in evenNumbers">{{ even }}</li>
    <br/>
    
    <!-- v-for 渲染方法oddNumber执行返回的奇数列表 -->
    <li v-for="odd in oddNumbers(numbers)">{{ odd }}</li>
</ul>