JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<script src="https://code.jquery.com/jquery-2.2.0.js"></script>
<div ng-app="myApp">
  <div data-ng-controller="XYZController">

    <div ng-class="[style1, style2, style3]" ng-repeat="imgNo in ImgNos">Image{{imgNo}}</div>
    
    <div ng-class="{asd: Math.sign(1) == 1}">
      Hello World
    </div>

  </div>
</div>

CSS

.c1 {
  color: red
}
.testing{
 background: red; 
}
.c2 {
  color: white;
}

.c3 {
  color: orange;
}

JavaScript

var app = angular.module("myApp", []);
app.controller("XYZController", function($scope) {
  $scope.ImgNos = [1,2,3]
});