2. 事件

js --onclick
jquery--click
vue--@click
React--onClick
Angular--(click)

# app.component.ts
import { Component } from '@angular/core';
@Component({
  //根主键
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  title = 'my-app';
  handleClick():void{
    console.log("click");
  }
}
# app.component.html
<div (click)="handleClick()">{{title}}</div>

2-1. 通过事件获取this.title中的数据

# app.component.ts
)
export class AppComponent {
  title = 'my-app';
  handleClick():void{
    console.log(this.title);
  }
}
# app.component.html
<div (click)="handleClick()">{{title}}</div>

2-2. 通过事件改变this.title中的数据

# app.component.ts
export class AppComponent {
  title = 'my-app';
  handleClick():void{
    this.title = 'wang' 
  }
}
# app.component.html
<div (click)="handleClick()">{{title}}</div>