angular 监听页面滑动

about-us.component.ts

import { Component, OnInit } from '@angular/core';
import { HostListener} from "@angular/core";

@Component({
  selector: 'app-about-us',
  templateUrl: './about-us.component.html',
  styleUrls: ['./about-us.component.less']
})
export class AboutUsComponent implements OnInit {
  constructor() { }
  ngOnInit(): void {
  }
  // 监听页面滑动
  @HostListener("window:scroll", [])
  onWindowScroll() {
    console.log("页面滑动了")
  }

}