jquery selector custom attribute code example
Example 1: jquery select by data attribute
$('div[data-key=value]');
Example 2: 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"
Example 3: jquery get custom attribute
var userType = $("input[name=ctrl_CustomerType]:checked").attr('xmlvalue');