JSFiddle - React, Tailwind, and code Playground

HTML

<div id="outer">outer div
    <div id="inner">inner div
    </div>
</div>

JavaScript

$("#outer").on("myevent", function(event) { 
    alert(event.target.id);
    event.stopPropagation();
    return false;
});

$("div#outer").trigger("myevent");