<elementRef>

import {ElementRef} from "@angular/core";

 

constructor(private element: ElementRef) {   // now, we can reference to: this.element}

 

this.element.nativeElement('.js-banner-container'),

 

Provides access to the underlying native element (DOM element).

 

import {AfterContentInit, Component, ElementRef} from '@angular/core';@Component({  selector: 'app', template: ` 
My App
 
 { { node }} 
 ` }) export class App implements AfterContentInit { node: string; constructor(private elementRef: ElementRef) { } ngAfterContentInit() { const tmp = document.createElement('div'); const el = this.elementRef.nativeElement.cloneNode(true); tmp.appendChild(el); this.node = tmp.innerHTML; } }

参考这篇