JSFiddle - React, Tailwind, and code Playground

HTML

<div data-uid="aaa" data-name="bbb" data-value="ccc" onclick="fun(this);"></div>

CSS

div {
    border: 1px solid #000;
    width: 100px;
    height: 100px;
}

JavaScript

function fun(obj) {
    var one = obj.getAttribute('data-uid'),
        two = obj.getAttribute('data-name'),
        three = obj.getAttribute('data-value')
    console.log(one, two, three);
}