JSFiddle - React, Tailwind, and code Playground

by rniemeyer

HTML

<script src="http://knockoutjs.com/downloads/knockout-3.2.0.js"></script>
<div id="one" data-bind="event: { myCustomEvent: checkedHandler }">test</div>

<button id="two">Trigger</button>

JavaScript

ko.applyBindings({
    checkedHandler: function (data, event) {
        alert(event.target.id);   
    }
});

$("#two").click(function () {
   $("#one").trigger("myCustomEvent"); 
});