How to clear all checkbox When checkbox id=“checkAll” are checked?

Question

How to clear all checkbox When checkbox id=\"checkAll\" are checked ?

in my demo , when user checked checkbox id=\"checkAll\" all checkbox are

Answer 1

Just apply the negation of this.checked

$('#checkAll').change(function () {    
     $('input:checkbox').not(this).prop('checked', !this.checked);       
 });

Demo