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刪除默認error message從angular形式提交刪除默認的錯誤信息提交
<input name="cardrouting" ng-change="cl(rn, 9)" ng-model-options="{ updateOn: 'default' , allowInvalid:'true'}" ng-model="rn" type="text" pattern="[0-9]*" class="form-control" required />
<span class="error-message" ng-show="form.cardrouting.$invalid && form.$submitted && form.cardrouting.$error.required">Please enter a number</span>
當我提交點擊它總是顯示下面的錯誤消息，而不是「請輸入數字」
