JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<body ng-app="myApp">

<div ng-controller="myCtrl" id="sib">
  
  <button ng-click="myFunc()">add</button>
  
</div>

CSS

li:nth-child(odd)
{
  background-color:yellow;
}
li:nth-child(even)
{
  background-color:pink;
}

JavaScript

angular.module('myApp', [])
  .controller('myCtrl', ['$scope', function($scope) {
    $scope.count = 0;
    var el = document.createElement("ul");
	el.style.width="600px";
	el.style.height="500px";
    el.style.background="green";
    
    var parent=document.getElementById("sib");    
   	parent.appendChild(el);
    
    
    
    $scope.myFunc = function() {
    
    	var ch = document.createElement("li");		
			el.appendChild(ch);
		
    };
  }]);