AI代码解释 constructor(@Inject(PLATFORM_ID)privateplatformId:Object,@Inject(APP_ID)privateappId:string){// 判断运行环境为客户端还是服务端constplatform=isPlatformBrowser(platformId)?'in the browser':'on the server';console.log(`Running${platform}with appId=${appId}`);} 3、创建服务端应用的引导...
例如,当浏览器渲染 时,它将创建相应 DOM 节点, 它的 value 这个property 被初始化为“Bob”。 当用户在输入框中输入 “Sally” 时,DOM 元素的 value 这个property 变成了 “Sally”。 但是该 HTML 的 value 这个attribute 保持不变。如果你读取 input 元素的 attribute,就会发现确实没变: input.getAttribute(...
这也是为什么,每个 ng-template 都需要 let-whatever,没有 let- 就等于这个 ng-template 没有自身的 Template Context,那 binding syntax 就会直接往上找了。 ng-template as a function 把ng-template 看成是 function 也有助于我们的理解。 Child Template 被 compile 后长这样 从这里可以看出它如何从每一层...
const firstNameNode= firstName[SIGNAL] as SignalNode<string>;//1. Angular 没有公开 class EffectHandle, 我们只能强转类型const effectHandle = effect(() => console.log(firstName())) as EffectRef &{ watcher: Watch };//2. 从 watcher 里拿出 WatchNodeconst effectNode =effectHandle.watcher[SIG...
import { Component } from '@angular/core'; @Component({ selector: 'my-app', template: '我的第一个 Angular 应用' }) export class AppComponent { }代码解析:以上代码从 angular2/core 引入了 Component 包。 @Component 是Angular 2 的装饰器 ,它会把一份元数据关联到 AppComponent 组件类上。 my...
| [](https://github.com/angular/angular/commit/ef91a2e0fe66378635d0787bd6d953eb8d31d881) | execute template creation in non-reactive context (#49883) | ...
- define keyframes rules programmatically in code. ### core - Support for Node.js v12 has been removed as it will become EOL on 2022-04-30. Please use Node.js v14.15 or later. - TypeScript versions older than 4.6 are no longer supported. ...
import{Hero}from'../hero';import{HeroService}from'../hero.service';@Component({selector:'app-hero-list',template:'Heroes: {{heroes | json}}'})exportclassHeroListComponentimplementsOnInit{heroes!:Hero[];constructor(publicheroService:HeroService){}ngOnInit():void{this.heroes=this.heroService....
Next, to use the directive, you should set up your HTML template like …… Let me explain the essential parts of that HTML example. First of all, theiscrolldirective is an attribute of an element belonging to theiscroll-wrapperclass, which wraps an element of theiscroll-scrollerclass. Tho...
@isahilpahuja, the workaround (not a proper solution) I've found is to move your image reference from the styles to the template. It feels icky but it "works." So instead of: //article.scss.article__photo{background-image:url(assets/bacteria.svg); } ...