<script type="text/javascript">
    $(function(){
        var flag = $("#addForm").validate({
            onfocusout: function(element) { $(element).valid(); }, 
            rules:{
                website:{
                    required:true,
                    minlength:2
                },
                url:{
                    url:
 
true,
                    require:true
                }
            }
            
        });
    });
</script>

jQuery validate 設置失去焦點就校驗