JSFiddle - React, Tailwind, and code Playground
HTML
<div class="blue"></div>
<br />
<div class="blue"></div>
<br />
<div class="brown"></div>
CSS
div{
height: 25px;
width: 25px;
}
.blue{
background-color:blue;
}
.brown{
background-color:brown;
}
JavaScript
$(".blue").click(function(){
$(this).attr("style", "background-color:red");
});
$(".brown").click(function(){
$(this).css("background-color","green");
});