1、AngularJS API概述
AngularJS 全局 API 用于执行常见任务的 JavaScript 函数集合,如:
比较对象
迭代对象
转换对象
全局 API 函数使用 angular 对象进行访问。
通用的 API 函数:
API |
描述 |
angular.lowercase() |
转换字符串为小写 |
angular.uppercase() |
转换字符串为大写 |
angular.isString() |
判断给定的对象是否为字符串,如果是返回 true。 |
angular.isNumber() |
判断给定的对象是否为数字,如果是返回 true。 |
2、angular.lowercase()
<div ng-app="myApp" ng-controller="myCtrl">
<p>{{ x1 }}</p>
<p>{{ x2 }}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.lowercase($scope.x1);
});
</script>
3、angular.uppercase()
<div ng-app="myApp" ng-controller="myCtrl">
<p>{{ x1 }}</p>
<p>{{ x2 }}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "John";
$scope.x2 = angular.uppercase($scope.x1);
});
</script>
4、angular.isString()
<div ng-app="myApp" ng-controller="myCtrl">
<p>{{ x1 }}</p>
<p>{{ x2 }}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.isString($scope.x1);
});
</script>
5、angular.isNumber()
<div ng-app="myApp" ng-controller="myCtrl">
<p>{{ x1 }}</p>
<p>{{ x2 }}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.isNumber($scope.x1);
});
</script>