App Bootstrap — Angular Technical Interview Questions & Answers

App Bootstrap

App Bootstrap

  • App Bootstrap is a Angular topic. In plain words you use it for ng new marks-app in the terminal + browser. Don’t start with a slogan — start with that picture.
  • Smallest example: ng serve and open localhost. Type it, run it, and say what you see. If you can do that from memory, you know App Bootstrap.
  • From the example next to this theory: App Bootstrap: toggle open.
  • Trap: skipping Node version and blaming Angular. Fix that before you talk about advanced Angular.
  • Viva: what is App Bootstrap? Then show ng serve and open localhost. Then name the trap.

Technical Interview Tip: What is App Bootstrap? Show this: ng serve and open localhost. Trap: skipping Node version and blaming Angular.

Code Examples for App Bootstrap

App Bootstrap — working example

import { Component } from "@angular/core";

@Component({
  selector: "app-root",
  template: `
    <h1>{{ title }}</h1>
    <button (click)="toggle()">Toggle</button>
    <p *ngIf="open">Panel open</p>
  `,
})
export class AppComponent {
  title = "Angular practice";
  open = true;
  toggle() {
    this.open = !this.open;
  }
}

App Bootstrap: toggle open. Say whether the panel is on screen after one click.

How to Explain App Bootstrap to an Interviewer

What is App Bootstrap?

Used for ng new marks-app the terminal + browser Not just the heading

Give one small example of App Bootstrap.

ng serve and open localhost App Bootstrap: toggle open

What mistake do beginners make with App Bootstrap?

skipping Node version and blaming Angular Show the fix

Where do you use App Bootstrap?

the terminal + browser ng new marks-app