JSFiddle - React, Tailwind, and code Playground

HTML

<div data-elEmeNT-AtTr="HTML"></div>
<div class="debug"></div>
<!-- Change the to jQuery 1.6.3 and data will show up in IE -->

JavaScript

$('.debug').html(
    'elEmeNT-AtTr: '+ $('div').data('elEmeNT-AtTr') +
    '<br>elEmeNT-Attr: '+ $('div').data('elEmeNT-Attr') +     
    '<br>element-AtTr: '+ $('div').data('element-AtTr') +   
    '<br>elEmeNTAtTr: '+ $('div').data('elEmeNTAtTr') +
    '<br>elEmeNTAttr: '+ $('div').data('elEmeNTAttr') +
    '<br>elementAtTr: '+ $('div').data('elementAtTr') +
    '<br>elementAttr: '+ $('div').data('elementAttr') +
    '<br>elEmeNTAtTR: '+ $('div').data('elEmeNTAtTR') 
);