JSFiddle - React, Tailwind, and code Playground

HTML

<div data-role="page" id="pageone" class="type-interior">
    <div class="ui-content" style="padding:0em;">
        <a href="#nav-panel" data-icon="bars"...

JavaScript

$(document).on('pagecreate', function() {
    $("#nav-panel").panel("open");
});