JSFiddle - React, Tailwind, and code Playground

HTML

<div data-tile-class="Category" data-entitlement="&gt;" data-whatever="whatever"

></div>

JavaScript

var divs = $$('div');

divs.each(function(div) {
    var attrs = ['data-tile-class','data-entitlement','data-whatever'].map(function(a){
        return ''+div.get(a);
    });
    alert(attrs.join(" "));
});