The following code shows how to Filter number as us dollar.
<!-- w ww . j av a 2 s .c om-->
<!DOCTYPE html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.js"></script>
<script type='text/javascript'>
function Ctrl($scope) {
$scope.amount = 1234.56;
}
</script>
</head>
<body>
<div ng-app="">
<div ng-controller="Ctrl">
<input type="number" ng-model="amount"> <br>
default currency symbol ($): {{amount | currency}}<br>
custom currency identifier (USD$): {{amount | currency:"USD$"}}
</div>
</div>
</body>
</html>
The code above is rendered as follows: