我有一个如下所示的无序列表:
<ul>
<li class="week6"></li>
<li class="week6"></li>
<li class="week6"></li>
<li class="week6"></li>
<li class="week6"></li>
</ul>
我想基于它的类在ul之前添加带有文本的头元素。像这样:
<h1 class="week">Week 6</h1>
<ul>
<li class="week6"></li>
<li class="week6"></li>
<li class="week6"></li>
<li class="week6"></li>
<li class="week6"></li>
</ul>
并且标题元素内的内容将基于类,例如如果类为“week6”,则h1将为“第6周”,“week5”类将在h1内输出“第5周”。 / p>
现在我遇到的问题是在与该类相关的列表项的ul之前添加具有特定内容的h1标记。
答案 0 :(得分:3)
$("ul").each(function(){
var weeknum = $(this).children('li:first').prop('class');
var weeknum = weeknum.match(/\d+/);
/* Remove if first li is only a placeholder: $(this).children('li:first').remove(); */
$(this).before('<h1 class="week">Week '+weeknum+'</h1>');
});