JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://knockoutjs.com/downloads/knockout-3.1.0.js"></script>
<div data-bind="text: 'bound'"></div>

JavaScript

ko.applyBindings = (function(original) {
    return function () {
        original.apply(this, arguments);
        alert('ko.applyBindings called');
    };
})(ko.applyBindings);

ko.applyBindings();