get elem by data attribute jquery code example
Example 1: jquery select by data attribute
$('div[data-key=value]');
Example 2: jquery get data attribute
<a data-id="123">link</a>
var id = $(this).data("id"); // Will set id to 123
$('div[data-key=value]');
<a data-id="123">link</a>
var id = $(this).data("id"); // Will set id to 123