color button

by willystyle

HTML

<button id="farbanpassung">Farbe anpassen</button>

CSS

.blue {
  background-color: lightcyan;
}

.green {
  background-color: lightgreen;
}

JavaScript

const button = document.querySelector('#farbanpassung');
const body = document.body;
body.classList.add('blue'); // initial color

button.addEventListener('click', () => {		
    body.classList.toggle('blue');
    body.classList.toggle('green');    
});