JSFiddle - React, Tailwind, and code Playground
HTML
<div class='item' number='1'></div>
<div class='item' number='2'></div>
<div class='item' number='3'></div>
CSS
.item{background:#ccc;height:50px;margin-bottom:5px;}
.color{background:red;}
JavaScript
$('div').on("click",function(){
console.log(this);
});
;