Answers for "how to check class all checkbox select all in jquery"

select all checkboxes jquery

$('input:checkbox').prop('checked', true);

jquery select all checkboxes

//html 
<input type="checkbox" onclick="CheckAll(this)" id="checkboxAll" title="Select All" />
//jquery
function CheckAll(elem) {
   $('[name="checkbox"]').prop("checked", $(elem).prop('checked'));
 }