How to add on Change Event on Dropdown in Angular?

How to add on Change Event on Dropdown in Angular?

In this post we will give you information about How to add on Change Event on Dropdown in Angular?. Hear we will give you detail about How to add on Change Event on Dropdown in Angular?And how to use it also give you demo for it if it is necessary.

In this tutorial, i will show you angular dropdown on change event. Here you will learn change event on select box in angular. i explained simply about angular change event on select. Here you will learn change event in dropdown angular. Here, Creating a basic example of get dropdown selected value on change in angular.

You can easily get dropdown selected value on change event in angular 6, angular 7, angular 8 and angular 9.

Here, i will give you very simple example to getting selected option value by change event with reactive form. here we will create one website list dropdown and if you choose anyone then it will by print console selected value on change event. we created changeWebsite() that will call on change of dropdown value. so let’s see app.component.html and app.component.ts file bellow.

So, let’s see example

src/app/app.component.html

<div >

<h1>Angular Select Dropdown Example - ItSolutionStuff.com</h1>

<form [formGroup]="form" (ngSubmit)="submit()">

<div >

<label for="website">Website:</label>

<select formControlName="website" (change)="changeWebsite($event)">

<option disabled>Select Website</option>

<option>Choose Website</option>

<option *ngFor="let web of websiteList">{{web}}</option>

</select>

<div *ngIf="f.website.touched && f.website.invalid" >

<div *ngIf="f.website.errors.required">Name is required.</div>

</div>

</div>

<button type="submit" [disabled]="!form.valid">Submit</button>

</form>

</div>

src/app/app.component.ts

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

import { FormGroup, FormControl, Validators} from '@angular/forms';

@Component({

selector: 'app-root',

templateUrl: './app.component.html',

styleUrls: ['./app.component.css']

})

export class AppComponent {

websiteList: any = ['ItSolutionStuff.com', 'HDTuto.com', 'Nicesnippets.com']

form = new FormGroup({

website: new FormControl('', Validators.required)

});

get f(){

return this.form.controls;

}

submit(){

console.log(this.form.value);

}

changeWebsite(e) {

console.log(e.target.value);

}

}

Output:

Also see:Angular Radio Button with Reactive Form Tutorial

ItSolutionStuff.com

I hope it can help you…

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