JSFiddle - React, Tailwind, and code Playground
HTML
<ul>
<li><a href="javascript:rudrSwitchTab('tb_1', 'content_1');" id="tb_1" class="tabmenu active">Tab 1</a></li>
<li><a href="javascript:rudrSwitchTab('tb_2', 'content_2');" id="tb_2" class="tabmenu">Tab 2</a></li>
</ul>
<div id="content_1" class="tabcontent">
Content of the first tab.
</div>
<div id="content_2" class="tabcontent" style="display:none;">
Content of the second tab.
</div>