index.html
                    
<!DOCTYPE html>
<html ng-app="angularjs-starter">
<head lang="en">
<meta charset="utf-8">
<title>Controller example Plunker</title>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.3/angular.min.js"></script>
<link rel="stylesheet" href="style.css">
<script>
document.write('<base href="' + document.location + '" />');
</script>
<script src="app.js"></script>
</head>
<body>
<h1>Welcome</h1>
<div>Controller example</div>
<div ng-controller="SpicyCtrl">
<input ng-model="customSpice" />
<button ng-click="spicy('chili')">Chili</button>
<button ng-click="spicy(customSpice)">Custom spice</button>
<p>The food is {{spice}} spicy!</p>
</div>
</body>
</html>
                    style.css
                    
/* CSS goes here */
                    app.js
                    
var app = angular.module('angularjs-starter', []);
app.controller('SpicyCtrl', function($scope) {
$scope.spice = 'very';
$scope.spicy = function(spice) {
$scope.spice = spice;
};
});