JSFiddle - React, Tailwind, and code Playground

HTML

<button id="btn1">BTN1</button>
<button id="btn2">BTN2</button>
<button id="remove">CLEAR
    </button

JavaScript

var tVar = null;

function alertClick()
{
 alert('You clicked button 2!');    
}

function bindIt()
{
 $('#btn2').unbind('click',alertClick)
 .bind('click',alertClick);   
}

function unBindIt()
{
 $('#btn2').unbind('click',alertClick);   
}

jQuery(document).ready(function() 
{
 $('#btn1').click(bindIt);
 $('#remove').click(unBindIt);   
});