JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<ul class=submenu>
<li><label for=toggle><input id=toggle type=checkbox checked>Show</label></li>
</ul>
JavaScript
/*$("#toggle").on("change", function(e) {
if ($(this).is(":checked"))
console.log("toggle: Show");
else
console.log("toggle: Hide");
});
*/
document.querySelector('#toggle').addEventListener('change',function(){
if(this.checked)
console.log('toggle: Show');
else
console.log('toggle: Hide');
});