小编use*_*100的帖子

我遇到了角度问题。我是新手，正在遵循此视频中的指南 https://www.youtube.com/watch?v=dT1ID4q57fs&list=PLXKzVP4cRi8A4G6vnFB5bKpAStskhFwG0&index=3 在 12 分钟左右，当他添加订阅功能并添加响应和错误时，我的订阅功能受到攻击，例如：订阅

这是我的 home.component.ts 代码

import { Component } from '@angular/core';
import { map } from 'rxjs/operators';
import { Breakpoints, BreakpointObserver } from '@angular/cdk/layout';
import { Observable } from 'rxjs'
import { CursorError } from '@angular/compiler/src/ml_parser/lexer';
import { AppService } from '../app.service';

@Component({
  selector: 'app-home',
  templateUrl: './home.component.html',
  styleUrls: ['./home.component.css']
})
export class HomeComponent {
  /** Based on the screen size, switch from standard to one column per row */
  cards:any = [];
  cardsForHandset:any = [];
  cardsForWeb:any …