The following code shows how to mark a form with novalidate.
<!DOCTYPE html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.js"></script>
</head><!--from ww w .j a v a 2s .co m-->
<body ng-init="x=4; y=4">
<form name="novalidateForm" novalidate>
<input type="number" ng-model="x" name="x" step="5">
<input type="submit">
</form>
</body>
</html>
The code above is rendered as follows: