examples/try/change_number_in_html.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport"
     content="width=device-width, initial-scale=1, user-scalable=yes">
  <script src="../angular/angular.min.js"></script>
 
  <script>
   angular.module('DemoApp', [])
   .controller('DemoController', ['$scope', function($scope) {
        $scope.price = 1234.56789;
   }]);
  </script>
 
</head>
<body ng-app="DemoApp" ng-controller="DemoController">
<h1>number filter used in HTML</h1>

<input ng-model="price">

<table>
<tr><td>price             </td><td>{{price}}            </td></tr>
<tr><td>price | number    </td><td>{{price | number}}   </td></tr>
<tr><td>price | number:0  </td><td>{{price | number:0}} </td></tr>
<tr><td>price | number:4  </td><td>{{price | number:4}} </td></tr>
<tr><td>price | number:-1 </td><td>{{price | number:-1}}</td></tr>
<tr><td>price | number:-2 </td><td>{{price | number:-2}}</td></tr>
</table>

</body>
</html>