JSFiddle - React, Tailwind, and code Playground

by Morpheus_God

HTML

<button id="btn">Switch</button>

CSS

body{
  
}

JavaScript

let btn = document.getElementById('btn');
var x = document.getElementsByTagName("BODY")[0];
btn.onclick = () =>{
		if(x.style.background === ''){
    		x.style.background = 'black';
    } else{
    		x.style.background = '';
    }
};