JSFiddle - React, Tailwind, and code Playground

HTML

<div id='tatĂ­nek' class='selectParent' style="height:15px;background-color:yellow;">
<div id="childDiv">
</div>               
 Click Me    
</div>

JavaScript

$('.selectParent').click(function (){
        var parentId=$(this).attr("id");
        var childId=$(this).find("div").attr("id");
     alert("parentDivId :["+parentId+"] childDivId :["+childId+"]");
 });