这是我的代码片段,其中在页面加载时我的div被折叠,图标初始类被设置为'fa fa-chevron-up'。单击a时如何将图标的类切换为'fa fa-chevron-down'?
var vue = new Vue({
el: '#vue-systemActivity',
data: {
loading:false,
collapsed: true
}
});
.is-collapsed{
display: none;
}
<a v-on:click=" collapsed = !collapsed" class="collapse-link">
<i class="fa fa-chevron-up"></i>
</a>
<i :class="[collapsed ? 'fa-chevron-up' : 'fa-chevron-down', 'fa']"