JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test"></div>

<div id="result">
    
</div>

JavaScript

var log = function(e){
     $('#result').append('<div>type: ' + e.type + ', namespace: ' + (e.namespace || '') + '</div>');
}

$('#test').on('custom.ws', log);
    
$('#test').trigger('custom.ws');
$('#test').trigger('custom.app');
$('#test').trigger('custom.ws.app');