Filters can be added to expressions and directives using a pipe character (|).
AngularJS filters syntax
AngularJS filters can be used to transform data:
Filter | Description |
currency | Format numbers into currency format. |
filter | Selects a subset from array items. |
lowercase | Format the string to lowercase. |
orderBy | Order an array based on an expression. |
uppercase | Format string to uppercase. |
AngularJS filters example
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="http://cdn.bootcss.com/angular.js/1.4.6/angular.min.js"></script> </head> <body> <div ng-app="myApp" ng-controller="personCtrl"> <p>姓名为 {{ lastName | uppercase }}</p> </div> <script> angular.module('myApp', []).controller('personCtrl', function($scope) { $scope.firstName = "John", $scope.lastName = "Doe", $scope.fullName = function() { return $scope.firstName + " " + $scope.lastName; } }); </script> </body> </html>
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