1. <div *ngFor="let item of lists">
    2.   {{item}}
    3. </div>
    1. import { Component } from '@angular/core';
    3. @Component({
    4.   selector: 'app-root',
    5.   templateUrl: './app.component.html',
    6.   styleUrls: ['./app.component.css']
    7. })
    8. export class AppComponent {
    9.   title = 'my-app';
    10.   lists:Array<number> = [1,2,3];
    11.   handleClick():void{
    12.     console.log(this.title)
    13.     this.title = "change"
    14.   }
    15. }