为什么棋牌室开着开着就倒闭了？
Angular 2.4.6 和 4.0.0 beta6 发布了，Angular 是一款十分流行且好用的 Web 前端框架，目前由 Google 维护。
Angular 2.4.6 更新内容：
Bug 修复
- common: add PopStateEvent interface
- common: DatePipe does’t throw for NaN
- common: DatePipe parses input string if it’s not a valid date in browser
- common: introduce isObservable method
- compiler: allow empty translations for attributes
- core: add bootstrapped modules into platform modules list
- core: ViewContainerRef.indexOf should not throw error when empty
- forms: show a blank line when nothing is selected in IE or Edge
- forms: verify functions passed into async validators returns Observable or Promise
- ngModel should use rxjs/symbol/observable to detect observable
- http: remove dots from jsonp callback name
- i18n: parse ICU messages while normalizing templates
- language-service: do not crash when Angular cannot be located
- platform-browser: remove style nodes on destroy
- router: fix CanActivate redirect to the root on initial load
- router: should find guard provided in a lazy loaded module
- router: should allow navigation from root component in ngOnInit hook
- testing: async/fakeAsync/inject/withModule helpers should pass through context to callback functions
- upgrade: detect async downgrade component changes
Angular 4.0.0 beta6 更新内容：
重大改进：
- common：现在需要定义
Iterable<T>来正确编译 Angular 应用。 在运行时不需要支持Iterable<T>，但是类型定义Iterable<T>必须可用。 NgFor，现在的NgForOf<T>在运行时已经支持Iterable<T>。通过此更改，类型定义会更新以反映此支持。- Migration：将 “es2015.iterable.ts” 添加到 tsconfig.json“libs” 字段。
- Part of #12398：之前
upgrade/static/downgradeInjectable返回以下形式的数组： -
['dep1', 'dep2', ..., function factory(dep1, dep2, ...) { ... }]现在它返回一个带有
$inject属性的函数：factory.$inject = ['dep1', 'dep2', ...]; function factory(dep1, dep2, ...) { ... }
完整更新内容请查看发行日志
下载地址：
Angular 2.4.6
Angular 4.0.0 beta6
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