Angular-character-count
Angular-character-count
Works well with ng-maxlength
Add in your file
<script src="angular-character-count.js"></script>
Add dependency in your module
var app=angular.module("you app name",['angular-character-count'])
Using directive
<div>
<input class="form-control" type="text" placeholder="Type here" name="firstFormName" ng-model="first_name" ng-maxlength="50" char-count warning-count="10" danger-count="5" />
</div>