dropdown in ionic 4 code example
Example 1: ionic select
<ion-list>
<ion-list-header>
<ion-label>
Single Selection
</ion-label>
</ion-list-header>
<ion-item>
<ion-label>Gender</ion-label>
<ion-select placeholder="Select One">
<ion-select-option value="f">Female</ion-select-option>
<ion-select-option value="m">Male</ion-select-option>
</ion-select>
</ion-item>
<ion-item>
<ion-label>Hair Color</ion-label>
<ion-select value="brown" okText="Okay" cancelText="Dismiss">
<ion-select-option value="brown">Brown</ion-select-option>
<ion-select-option value="blonde">Blonde</ion-select-option>
<ion-select-option value="black">Black</ion-select-option>
<ion-select-option value="red">Red</ion-select-option>
</ion-select>
</ion-item>
</ion-list>
Example 2: ion select
<ion-select >
<ion-select-option *ngFor="let country of countries" value="{{ country.name }}">
{{ country.name }}
</ion-select-option>
</ion-select>