// stringsletname:string="bob";// booleanletisLoggedIn:boolean=true;// numberletheight:number=24;letwidth:number=12;// arraysletcolors:string[] = ['red','green','blue'];letcolors:Array<string> = ['red','green','blue']; TypeScript 还将额外的三种类型添加到混合中,即enum、any和void。
创建app/modules/player/services/player.service.ts并且存根一些方法;其中一些我们可以继续实现: // angularimport{Injectable}from'@angular/core';// appimport{ITrack}from'../../core/models';@Injectable()exportclassPlayerService{publicplaying:boolean;publictracks:Array<ITrack>;constructor() {this.tracks=...
| [](https://github.com/angular/angular/commit/59387ee476dff1a893a01fe5cbee3c95b93c0cdb) | support styles and styleUrl as strings (#51715) | | [. Additionally, we are binding the HTML template for this component with thetemplateUrland the CSS files with this component by usingstyleUrls. StyleUrls is an array of strings, comma-sep...
In Angular 2, arrays are represented by the typeArray. For example, an array of strings could be declared as follows. var myArray = new Array(); myArray.push("John"); myArray.push("Mary"); myArray.push("Anna"); // myArray contains "John", "Mary" and "Anna" ...
allows you to call functions on the provider object before it's $get property is invoked to create the service these functions get run during the config phase (they can change the recipe) gets passed in an instance of a provider (decided by the parameter name) ...
In the code that uses the service we still need to import the service (as obviously we need a reference to the type) but instead of our component/code creating the service, we leave this to Angular 2. So the usual would be to create a constructor and allow Angular 2 to inject our se...
urls : (Array<string | RegExp>) URLs that partially match any regex in ignoreUrls will not be traced. In addition, URLs that areexact matchesof strings in ignoreUrls will also not be traced External Configuration Instrumentation example project have an external configuration to show how you can...
For example, when we use @Component we pass through an object, and with @HostListener we pass through a string as the first argument (the event name, such as 'click') and optionally an array of strings for further variables (such as $event) to be passed through to the decorated method...