JSFiddle - React, Tailwind, and code Playground

HTML

<div>Hello, world</div>

CSS

div {
    height: 100px;
    width: 100px;
}

JavaScript

var isClicked = JSON.parse(localStorage.getItem('clicked'))

$('div').on('click', function() {
    isClicked = !isClicked;
    localStorage.setItem('clicked', isClicked);
    setColor()
})

function setColor() {
    $('div').css('background', isClicked ? 'red' : 'blue')
    console.log(isClicked, false);
}


setColor();