JSFiddle - React, Tailwind, and code Playground

by rjurd

HTML

<script src="bootstrap"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
<div class='container'>
<br/>
  <div class='row w-50'>  
    <div class='w-75 rectangle'></div>
  </div>
  <div class='row w-50'>  
    <div class=''>
      <button>1</button>
    </div>
    <div class=''>
      <button>2</button>
    </div>
    <div class=''>
      <button>3</button>
    </div>
    <div class='w-100'></div>
    <div class=''>
      <button>4</button>
    </div>
    <div class=''>
      <button>5</button>
    </div>
    <div class=''>
      <button>6</button>
    </div>
    <div class='w-100'></div>
    <div class=''>
      <button>7</button>
    </div>
    <div class=''>
      <button>8</button>
    </div>
    <div class=''>
      <button>9</button>
    </div>

  </div>
</div>

CSS

button {
  padding: 15px 30px;
  border-radius: 25px;
  margin: 5px;
}
button:active {
  background: cyan;
}
.rectangle {
  height: 50px;
  background: gray;
  border-radius: 5px;
  color: yellow;
  font-size: 30px;
  text-align: center;
  font-weight: bold;
}

JavaScript

var keypad_display = "";
$('button').on('click',function() {
	if 
	keypad_display += $(this).text();
  $('.rectangle').text(keypad_display);
});