JQuery Select by Data Atribut
$('div[data-key=value]');
Mattalui
$('div[data-key=value]');$('[data-attribute="value"]');<a data-id="123">link</a>
var id = $(this).data("id"); // Will set id to 123$("ul[data-group='Companies'] li[data-company='Microsoft']") //Get all elements with data-company="Microsoft" below "Companies"
$("ul[data-group='Companies'] li:not([data-company='Microsoft'])") //get all elements with data-company!="Microsoft" below "Companies"
$('*[data-id="your_id"]');