JSFiddle - React, Tailwind, and code Playground

HTML

<div id="mainDiv">
<span class="span1">hello</span>
</div>

JavaScript

$(document).on("click", ".span1", function () {
   $( "#mainDiv" ).append("<span class=\"span1\">hello</span>");
});

$(".span1").click( function () {
   console.log( "first listener" );
}); 

$(".span1").click( function () {
   console.log( "second listener" );
});