css定位选择兄弟元素，nth-of-type

<span class="input-group-btn" the-id="num-change">

<button class="btn btn-white" type="button">1000</button>

<button class="btn btn-white" type="button">5000</button>

<button class="btn btn-white" type="button">10000</button>

<button class="btn btn-white" type="button">50000</button>

 

选择第一个1000的按钮，css定位

.input-group-btn>.btn:nth-of-type(1)

转载于:https://www.cnblogs.com/xiaojinniu425/p/8397753.html