How to circulate the data and display it in different styles?

what should I do when I send back the requested data in a different style?

clipboard.png
the red box is marked by two pieces of data
I have tried several ways, please give me some advice

Vue.js javascript css
Mar.14,2021

emmmm

use two styles from left to right. When looping, I% 2 = 0 use class according to parity

.

according to the requirements, you can add different classes according to the parity of the data, or you can add a variety of different classes according to the attributes of the data 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script src="https://cdn.bootcss.com/vue/2.5.13/vue.js"></script>
    <title>Document</title>
    <style>
       li.odd{
           background-color: -sharpaaa;
       }
       li.even{
           background-color: coral;
       }
    </style>
</head>

<body>
    <div id="app">
        <ul>
            <li v-for="(v,k) in lists" :key="k" :class="addDifClass(k)">
                <div>{{v.time}}</div>
                <h2>{{v.title}}</h2>
                <div>{{v.content}}</div>
            </li>
        </ul>
    </div>
    <script async>
        var app = new Vue({
            el: '-sharpapp',
            data: {
                message: 'Hello Vue!',
                lists:[],
            },
            methods: {
                //
                // v vclass
                addDifClass(k){
                     if(k%2==0){
                         return {even:true}
                     }else{
                         return {odd:true}
                     }
                }
            },
            created() {
                // 
                const mockdata = [
                    { time: '2018-5', title: 'title', content: 'content111' },
                    { time: '2018-6', title: 'title2', content: 'content111' },
                    { time: '2018-6', title: 'title2', content: 'content111' },
                    { time: '2018-6', title: 'title2', content: 'content111' },
                    { time: '2018-6', title: 'title2', content: 'content111' },
                ]
                this.lists=mockdata;
            }
        })
    </script>
</body>

</html>

I hope I can help you. If there is any help, I hope to adopt

.

this is very basic, concatenate strings and render different strings according to the index during the loop. 

</b>
  </li>

this is very clear. The content can be changed, and it doesn't have to be written to death like 1p2, and the content can all be changed

.

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