Get element by class name in AngularJs : It is very common to deal with class and id selector in AngularJs. You can use AngularJs jQuery lite to get all elements by class name. Here in this tutorial we are going to explain how to use jQlite to get element by class name. You can...
以原生js的document对象的querySelector方法获取元素的id,括号内的使用方法同jquery一致,#代表id,该方法返回的是当前div的DOMElement对象,通过angular.element方法即可将即转化为一个jQuery对象,从而对其操作。 方法二:getElementById 1vartest =angular.element(document.getElementById(‘test’);2test.addClass(‘test...
import {AfterViewInit, Component, ElementRef, ViewChild} from '@angular/core'; @Component({ selector: 'app', template: ` Some text `, }) export class AppComponent implements AfterViewInit { @ViewChild('myDiv') myDiv: ElementRef; ngAfterViewInit() { console.log(this.myDiv.nativeElement.i...
标签名称 对应的 Element 元素 , 如果指向获取某一个指定标签下的 DOM...元素 , 则需要如下步骤 : 首先 , 通过 调用 document.getElementById 函数 , 获取指定标签对应的 Element 元素 ; 然后 , 通过 调用 element.getElementsByTagName...函数 , 获取 Element 元素下的所有 指定类型的标签 ; 代码示例 : ...
186 // the description element doesn't impact page layout.187 messagesContainer.classList.add(containerClassName); 188 messagesContainer.classList.add('cdk-visually-hidden'); 189 // @breaking-change 14.0.0 Remove null check for `_platform`.190...
=TestBed.createComponent(WelcomeComponent);comp=fixture.componentInstance;// UserService from the root injector// 重点userService=TestBed.get(UserService);// get the "welcome" element by CSS selector (e.g., by class name)de=fixture.debugElement.query(By.css('.welcome'));el=de.nativeElement...
export class NewsComponent implements OnInit {//获取dom节点@ViewChild('myBox',{static:true}) myBox:any;//获取一个组件@ViewChild('header',{static:true}) header:any; constructor() { } ngOnInit() { } ngAfterViewInit():void{ console.log(this.myBox.nativeElement);this.myBox.nativeElement...
@Component({selector: 'app-add-btn',templateUrl: './add-btn.component.html',styleUrls: ['./add-btn.component.scss']})export class AddBtnComponent { @Input()public url: string; @Input()public icon = 'plus-outline'; @Input()public element: SectionElement; ...
export class AppComponent { name: string = ''; constructor(public elementRef: ElementRef) { // 使用构造注入的方式注入依赖对象 this.name = 'Semlinker'; // 执行初始化操作 } }详细的内容可以参考 - Angular 2 constructor & ngOnInitElementRef 有什么作用?在应用层直接操作 DOM,就会造成应用层与渲染...
| [](https://github.com/angular/angular/commit/7f6d9a73ab8b658d0d8148080dfefb2550bee6b4) | expand class api doc extraction (#51733) | | [![feat - a7fa25306f](https://img.shields.io/badge/a7fa25306...