JSFiddle - React, Tailwind, and code Playground

HTML

<div id="location0" class="dot"></div>

CSS

#location0{
    position: absolute;
    left: 100px;
    top: 100px;
    width: 15px;
    height: 15px;
    background-color:#CC0000;
    cursor:pointer;
}

JavaScript

var location0 = {"name" : "Location 1", "image" : "image1.jpg"};


$('.dot').click(function(){
    var thisLocation = $(this).attr("id");
    alert(thisLocation); //Returns "location0"
    alert(thisLocation["image"]); //Returns "undefined"
});