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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | 1x 5x 5x 5x 6x 2x 2x 1x | import {Component, EventEmitter, Output} from "@angular/core"; import {FormBuilder, FormGroup, Validators} from "@angular/forms"; @Component({ selector: 'app-counter', template: `Counter: {{counter}}` }) export class CounterComponent { counter = 0 public form: FormGroup constructor(private fb: FormBuilder) { this.form = fb.group({ login: ['', Validators.required], email: [''] }) } @Output() counterEmitter = new EventEmitter<number>() increment() { this.counter++ this.counterEmitter.emit(this.counter) } decrement() { this.counter-- } } |