jquery select based on data attribute code example

Example 1: jquery select by data attribute

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

Example 2: jquery get data attribute of selected option

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

Example 3: custom attribute jquery selector

$("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"