<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<title></title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<style>
.active {
color: red;
}
.box{
display: flex;
}
.box >div{
padding: 10px;
}
</style>
</head>
<body>
<div id="app">
<button @click="eliminate">
重置
</button>
<div class="box">
<div v-for="(item,index) in arr" :key="index" @click="tap(item.id)" :class="item.checked ? 'active' : ''">
{{item.name}}</div>
</div>
</div>
</body>
<script type="text/javascript">
var app = new Vue({
el: '#app',
data: {
arr: [
{
id: 1,
name: "按钮A",
checked: false
},
{
id: 2,
name: "按钮B",
checked: false
},
{
id: 3,
name: "按钮C",
checked: false
}
]
},
methods: {
tap(id) {
this.arr.filter((item) => {
if (item.id === id) {
item.checked = !item.checked
// 通过checked的值改变按钮颜色
}
})
},
eliminate() {
this.arr.filter((item) => item.checked = false)
}
}
})
</script>
<html>
