<!DOCTYPE html>
<html>
<script src= “http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js”></script>
<body>
<h2>Validation Example</h2>
<form ng-app=”” name=”myForm” novalidate ng-init = “age = 9; email = ‘[email protected]’; user = ‘user'”>
<p>Username:<br>
<input type=”text” name=”user” ng-model=”user” required>
<span style=”color:red” ng-show=”myForm.user.$dirty && myForm.user.$invalid”>
<span ng-show=”myForm.user.$error.required”>Username is required.</span>
</span>
</p>
<p>Email:<br>
<input type=”email” name=”email” ng-model=”email” required>
<span style=”color:red” ng-show=”myForm.email.$dirty && myForm.email.$invalid”>
<span ng-show=”myForm.email.$error.required”>Email is required.</span>
<span ng-show=”myForm.email.$error.email”>Invalid email address.</span>
</span>
</p>
<p>Age:<br>
<input type=”number” name=”age” ng-model=”age” required>
<span style=”color:red” ng-show=”myForm.age.$dirty && myForm.age.$invalid”>
<span ng-show=”myForm.age.$error.required”>Age is required.</span>
<span ng-show=”myForm.age.$error.number”>Invalid Age.</span>
</span>
</p>
<p>
<input type=”submit” ng-disabled=”myForm.user.$dirty && myForm.user.$invalid || myForm.email.$dirty && myForm.email.$invalid || myForm.age.$dirty && myForm.age.$invalid”>
</p>
</form>
</body>
</html>
Output: