Answers for "jquery select with data attribute"

jquery get option data attribute

$(this).find(':selected').data('id');

jquery select by data attribute

$('div[data-key=value]');

jquery select element with data

$('[data-attribute="value"]');

jquery get data attribute of selected option

$(this).find(':selected').data('id')

jquery get element by data attribute

$("ul[data-slide='" + current +"']");