Angular JS Stop Dynamic Validation on Change Option of Select Dropdown

Angular JS Stop Dynamic Validation on Change Option of Select Dropdown

Code to stop the validation on dynamic update to the textbox or nay other elements.

< form name="$parent.balanceTransferForm" >
< select options="accounts" on-change="changeSourceAccount(value, $parent.balanceTransferForm)" ></ select  >
< /form >

$scope.changeSourceAccount = function(account, form){
$scope.balanceTransferPreValidateReqObj.transferAmount.value = "";
if(form!=null){
                form.$setPristine();
                form.$setUntouched();
        }
};