JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://knockoutjs.com/downloads/knockout-2.2.0.js"></script>
<input data-bind="value: someValue, valueUpdate: 'input'" type="text" value="">
<span data-bind="text: someValue"></span>
JavaScript
var ViewModel = function() {
this.someValue = ko.observable("edit me")
};
ko.applyBindings(new ViewModel());