JSFiddle - React, Tailwind, and code Playground

by akoptsov

HTML

<div id="first"></div>
<div id="second"></div>

JavaScript

function checkdata(name, target){
    target.data(name, {});
    var _data = target.data(name);
    target.removeData(name);
    target.html(
        _data===undefined?
        'Successfully removed data for key "'+name+'"': 
        'Failed to remove data for key "'+name+'"'
    );
}

checkdata('dataDataObject', $('#first'));
checkdata('data-data-object', $('#second'));