JSFiddle - React, Tailwind, and code Playground

HTML

<div id='holder'>
    <input name="Btn_Edit"  disabled="disabled" id="Btn_Edit" type="button" value="Edit"/>
    <input id="undo" type="button" value='On'/>
        <input id="redo" type="button" value='Off'/>
</div>

JavaScript

$(function() {
    $('#Btn_Edit[disabled!=true]').live('click', function() {
        alert($(this).attr('disabled'));
    });
    $('#undo').click(function() {
        $('#Btn_Edit').attr('disabled', false);
    });
       $('#redo').click(function() {
        $('#Btn_Edit').attr('disabled', true);
    });
});