1. <script type="text/javascript">
    2.     cola(function (model) {
    3.         model.describe({
    4.             email: {
    5.                 validators: ["required",
    6.                  "email"]
    7.             }
    8.         });
    9.         model.action({
    10.             save:function(){
    11.                 alert(model.get("email"))
    12.             },
    13.             clear:function(){
    14.                 model.set("email","")
    15.             }
    16.         })
    17.     });
    18. </script>