JSFiddle - React, Tailwind, and code Playground

by GopsAB

HTML

<div class="a">123213123</div>
<input class="bt1" type="button" value="click1"/>
<input type="button" value="click2" class="bt2"/>

CSS

.a
{
    border: 1px solid red;
    width:100px;
    height:100px;
}

.b
{
    border: 1px solid blue;
    width:100px;
    height:100px;
}

JavaScript

$('.bt1').click(
      function()
    {
        alert('1');
         $('.a').toggleClass('b');
    }
  );

$('.bt2').click(
      function()
    {
         $('body').html('<div class="a">123213123</div><input class="bt1" type="button" value="click1"/><input type="button" value="click2" class="bt2"/>');
    }
  );