import { Component, Input } from '@angular/core'; // First, import Input
export class ItemDetailComponent {
  @Input() item = ''; // decorate the property with @Input()
}

import { Directive, Input, TemplateRef, ViewContainerRef } from '@angular/core';

@Directive({ selector: '[appUnless]'})
export class UnlessDirective {
}

import { Attribute, Component } from '@angular/core';

@Component({
  selector: 'app-my-input-with-attribute-decorator',
  template: '<p>The type of the input is: {{ type }}</p>'
})
export class MyInputWithAttributeDecoratorComponent {
  constructor(@Attribute('type') public type: string) { }
}

import { Component, Input } from '@angular/core';

import { AdComponent } from './ad.component';

@Component({
  template: `
    <div class="job-ad">
      <h4>{{data.headline}}</h4>
      {{data.body}}
    </div>
  `
})
export class HeroJobAdComponent implements AdComponent {
  @Input() data: any;
}

import { Component } from '@angular/core';
import { FormControl } from '@angular/forms';

@Component({
  selector: 'app-reactive-favorite-color',
  template: `
    Favorite Color: <input type="text" [formControl]="favoriteColorControl">
  `
})
export class FavoriteColorComponent {
  favoriteColorControl = new FormControl('');
}