JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="test1"><span>adfad</span></a>
<a href="#" class="test2">test2</a>

JavaScript

$(".test1").children().click(function(){
    $(".test2").append('<span> something</span>');           
});

$(".test2").on('click', 'span', function(){
    alert("done");      
});