JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://rawgithub.com/XoseLluis/4750176/raw/af4a0bd347acd9727a0917e6b4bd43bfe016769f/Object.watch.js"></script>
<input id='name'/>

JavaScript

//JavaScript variable watch for IE 8+ Brian Rosamilia

//Object prototypes source : https://gist.github.com/XoseLluis/4750176

$(function(){
    var test = { id : 1 };

    test.watch("id", function(prop, val, newval){ 
        //alert(newval); //Uncomment this to see both changes
        $('#name').val(newval);
    });
 
    test.id = 20;
    test.id = 234;   
});