transfer data from one component to another angular
import { Component, Output, EventEmitter } from '@angular/core';
@Component({
selector: 'app-child',
template: `
<button (click)="sendMessage()">Send Message</button>
`,
styleUrls: ['./child.component.css']
})
export class ChildComponent {
message: string = "Hola Mundo!"
@Output() messageEvent = new EventEmitter<string>();
constructor() { }
sendMessage() {
this.messageEvent.emit(this.message)
}
}share data between components angular
import { Component, Input } from '@angular/core';
//Child-Component
@Component({
selector: 'app-child',
template: `
Say {{ message }}
`,
styleUrls: ['./child.component.css']
})
export class ChildComponent {
@Input() childMessage: string;
constructor() { }
}
======================================================================
import { Component } from '@angular/core';
//Parent-Component data transfer to Child-Component
@Component({
selector: 'app-parent',
template: `
<app-child [childMessage]="parentMessage"></app-child>
`,
styleUrls: ['./parent.component.css']
})
export class ParentComponent{
parentMessage = "message from parent"
constructor() { }
}transfer data from one component to another angular
import { Component } from '@angular/core';
@Component({
selector: 'app-parent',
template: `
Message: {{message}}
<app-child (messageEvent)="receiveMessage($event)"></app-child>
`,
styleUrls: ['./parent.component.css']
})
export class ParentComponent {
constructor() { }
message:string;
receiveMessage($event) {
this.message = $event
}
}pass data from one component to another angular
Data Transfer from one component to another — Angular 7
----
Parent to Child: via Input.
Child to Parent: via Output() and EventEmitter.
Child to Parent: via ViewChild.
Unrelated Components: via a Service.Copyright © 2021 Codeinu
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