JSFiddle - React, Tailwind, and code Playground
HTML
<div class="row">
div
<h2><asp:Literal ID="categoryTitle" runat="server"></asp:Literal>H2</h2>
<div class="tree js-catTree" id="treeContainer" runat="server">UL</div>
</div>
<button id="replaceIt">Replace It</button>
JavaScript
$('#replaceIt').click(function() { replaceIt() });
function replaceIt()
{
$('.row').replaceWith(function() {
return $('div', this);
});
}