jquery validate all checkbox checked code example

Example 1: jquery validate all checkbox checked

<form id="form1" action="/controller/action" method="post">
   <input type="checkbox" name="box1" class="cBox" />
   <input type="checkbox" name="box2" class="cBox" />
   <input type="checkbox" name="box3" class="cBox" />
  <input type="submit" value="Submit" />
</form>
<script>
$('#form1').submit(function() {
   if ($('input:checkbox', this).length == $('input:checked', this).length ) {
            // everything's fine...
   } else {
            alert('Please tick all checkboxes!');
            return false;
   }
});
</script>

Example 2: jquery get all checkbox checked

$('.theClass:checkbox:checked')

Example 3: jquery check if all checkbox is not checked

$('#checkAll').click(function () {    
     $('input:checkbox').prop('checked', this.checked);    
 });

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Html Example