Check all check box through jquery.

<script type="text/javascript">
$(document).ready(function(){
    $('#checkAll').click(function () {
        $('input[type="checkbox"]').prop('checked',true);
    });
})
</script>




<form action="deleteorederlist.php" method="post">
 <input type="submit" name="delete" value="Delete">
          &nbsp;
          &nbsp;
           <input type="button" class="checkAll" id="checkAll" value="check all" />
</form>

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