angular js installation

 

 

use:

　　1. cmd built into the project directory to perform ng new website (website for the project name)

　　2, into a construction project directory, execute ng serve to start the project

　　3, browser and enter http: // localhost: 4200 you can enter the project page

 

Use Code:

　　1 outputs the data to the page

export class AppComponent {
  username = "hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh" // 输出 字符串
  login (): void {// method call
    alert("iiiiiiiiiiiiiiiiiiiiiiiiiiiii")
  }
}

<button (click)="login()">{{username}}</button>