index.js

const imageEl = document.getElementById('imageElement');
const textEl = document.getElementById('textContent');
const toggleEl = document.getElementById('imageToggle');

toggleEl.addEventListener('change', () => {
  imageEl.src = toggleEl.checked ? 'kitty.jpg' : 'doggo.jpg';
  textEl.textContent = toggleEl.checked ? 'This is a cute catto..........😼' : 'This is a cute doggo..........🐶';

  imageEl.classList.toggle('active');
  textEl.classList.toggle('active');
});

style.css

*{
    margin: 0;
    padding: 0;
}
body {
    font-family: sans-serif;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
   background-color: rgb(14, 68, 14);
  }
  
  .container {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(11, 11, 11, 0.961);
    background-color: rgb(36, 135, 63);
    padding: 20px;
  }
  
  .heading {
    font-size: 30px;
    margin-bottom: 20px;
    text-align: center;
    font-family: Nabla;
    color: black;
    font-size: 40PX;
    text-shadow: 5px 5px 3px black;
  }
  
  .image-container {
    width: 800px;
    height: 600px;
    border-radius: 10px;
    overflow: hidden;
  }
  
  .image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  

  .text {
    padding: 0.5rem 2rem;
    font-family: 'Cute Font', sans-serif;
    font-size: 50px;
    text-shadow: 3px 3px 2px rgb(246, 246, 246);
  }
  
  .toggle{
    display: flex;
    align-items: center;
    gap: 20px;
    
  }

  .toggle-label {
    margin-top: 10px;
    font-size: 30px;
    color: #f5f2f2;
    font-family: 'Aoboshi One', serif;
    font-size: 30px;
    text-shadow: 3px 3px 2px rgb(0, 0, 0);
  }
  
  .toggle-button {
    appearance: none;
    width: 80px;
    height:  30px;
    border: 4px solid #030303;
    border-radius: 25px;
    background-color: #ffffff;
    cursor: pointer;
    margin-top: auto;
  }
  
  .toggle-button:checked {
    background-color: #000000;
    border: 4px solid #ffffff;
  }
  
  .toggle-button::after {
    display: block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #f5f5f5;
    position: absolute;
    top: 2.5px;
    left: 2.5px;
  }