JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdnjs.cloudflare.com/ajax/libs/knockout/2.3.0/knockout-min.js"></script>
<script type="text/javascript" id="vm1" data-bind="event: { load: initialize(222) }"></script>
<div id="vm2">
    <div data-bind="text: initializedValue">1</div>
</div>

JavaScript

function MyViewModel() {
    self=this;
    self.initialize = function(data){
        self.initializedValue=ko.observable(data);
        ko.applyBindings(mvm,document.getElementById('vm2'));
    }
}
var mvm=new MyViewModel();
ko.applyBindings(mvm,document.getElementById('vm1'));