JSFiddle - React, Tailwind, and code Playground

HTML

<div id='myDiv' onclick="divClicked(event)"></div>

CSS

#myDiv
{
    background-size: contain;
    position:absolute;
	width:800px;
	height:600px;
	border: 1px;
    border-style: solid;
    background: url('http://s12.postimg.org/upm7g6c25/13_000123_7_AA_png.jpg') no-repeat center;
    background-color: yellow;
}

JavaScript

function divClicked(e) {
    alert("target is always '"+e.target.id+"'. How can I detect weather the yellow spot or the gun was clicked?");
}