AngularJS - Example - background-color change example

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Example - example-example93-production</title>
  <link href="style.css" rel="stylesheet" type="text/css">
  

  <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.5.0/angular.min.js"></script>
  

  
</head>
<body ng-app="">
  <input type="button" value="set color" ng-click="myStyle={color:'red'}">
<input type="button" value="set background" ng-click="myStyle={'background-color':'blue'}">
<input type="button" value="clear" ng-click="myStyle={}">
<br/>
<span ng-style="myStyle">Sample Text</span>
<pre>myStyle={{myStyle}}</pre>
</body>
</html>

<!-- 
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->

span {
  color: black;
}

/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

var colorSpan = element(by.css('span'));

it('should check ng-style', function() {
  expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');
  element(by.css('input[value=\'set color\']')).click();
  expect(colorSpan.getCssValue('color')).toBe('rgba(255, 0, 0, 1)');
  element(by.css('input[value=clear]')).click();
  expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');
});

/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/