JSFiddle - React, Tailwind, and code Playground
HTML
<div></div>
JavaScript
$(document).ready(function(){
var append="<ul>";
append += "<li><a class='dropmenu' href='#'> Option </a>" +
"<ul>" +
"<li><a href='somelink'>somelink</a></li>" +
"</ul></li>";
$("div").append(append);
$(".dropmenu").on("click", function(event){
alert('ok');
event.preventDefault();
$(this).parent().find("ul").slideToggle();
});
});