An Input Form Element to enter OTP Number, PIN or split single characters. 
Demo Link - http://plnkr.co/edit/eCHuJT?p=preview
Add angular and otpInputDirective to your code
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.3/angular.min.js"></script> <script src="otpInputDirective.min.js"></script>- Add a dependency to the
otpInputDirectivemodule in your application.
angular.module('app', ['otpInputDirective']);<div otp-input-directive options="otpInput"></div>$scope.otpInput={ size:6, type:"text", onDone: function(value){ console.log(value); }, onChange: function(value){ console.log(value); } };