JSFiddle - React, Tailwind, and code Playground

by j08691

HTML

<label for="a1" class="radiostyle">
<Input type = radio Name = 1 Value = 100 Onclick="changecss()" id="a1">
100 bucks</label>

CSS

.radiostyle {
    background-color: #999;
}

JavaScript

function changecss() {
    var rb = document.getElementsByClassName('radiostyle');
    rb[0].style.backgroundColor = 'red';
}