JSFiddle - React, Tailwind, and code Playground

by Ben Watts

HTML

<button type="button" onclick="changeBackground()">
    Click Me!
</button>

CSS

body {
    background-color:grey;
}

JavaScript

function changeBackground() {
alert(document.body.style.backgroundColor);
    if (document.body.style.backgroundColor = 'grey')
    {
        document.body.style.backgroundColor = 'black';
    }
    else
    {
        document.body.style.backgroundColor = 'grey';
    }
}