چند روش استفاده از ng-class در anuglarjs بررسی میکند
String syntax
<div ng-class="textType">Look! I'm Words!</div>
<div ng-class="[styleOne, styleTwo]">Look! I'm Words!</div>
<div ng-class="{ 'text-success': awesome, 'text-large': giant }">
ng-class="$even ? 'even-row' : 'odd-row'">
و .......