我有大约10个div具有相同类名的元素,例如
<div class="div1"></div>
<div class="div1"></div>
<div class="div1"></div>
<div class="div1"></div>
<div class="div1"></div>
<div class="div1"></div> <!-- and so on.... -->
Run Code Online (Sandbox Code Playgroud)
我想给的编号给每个div如
<div class="div1">1</div>
<div class="div1">2</div>
<div class="div1">3</div>
<div class="div1">4</div>
<div class="div1">5</div>
Run Code Online (Sandbox Code Playgroud)
帮助赞赏.