/Javascript/jQuery/At leastone checkbox required jquery

At leastone checkbox required jquery

$.validator.addMethod("roles", function(value, elem, param) {
   return $(".roles:checkbox:checked").length > 0;
},"You must select at least one!");

<input class='{roles: true}' name='roles' type='checkbox' value='1' />

Similar codes

0 vote158 views1 answer
Append textarea jquery with value
Javascript jQuery
0 vote186 views1 answer
Jquery datetimepicker format
Javascript jQuery
-1 vote147 views1 answer
How to interrupt scroll with jquery
Javascript jQuery
2 votes172 views2 answers
Jquery if input has empty white space
Javascript jQuery
2 votes146 views2 answers
Jquery number format thousand k
Javascript jQuery
0 vote166 views1 answer
Gravity form on submit jquery
Javascript jQuery
2 votes268 views5 answers
Convert javascript to jquery converter online tool
Javascript jQuery
0 vote159 views1 answer
Radiojquery
Javascript jQuery
0 vote314 views1 answer
Select one option value jquery
Javascript jQuery
0 vote144 views1 answer
How to find for lable in jquery
Javascript jQuery