JSFiddle - React, Tailwind, and code Playground

HTML

<div onclick="this.classList.add('clicked');">asd</div>

CSS

div {
    width:100px;
    height:100px;
}
div.clicked
{
     background-color:#FFEC8B;
}
div:hover {
    background-color:#E6E6FA;
}
div.clicked:hover {
    background-color:#E60000;
}

JavaScript

function c() {
    this.style.background = '#FFEC8B';
    console.log('click');
}
console.log('start');