angular 9 checkbox with option other code example
Example: data binding on checkbox angular
<input #saveUserNameCheckBox
id="saveUserNameCheckBox"
type="checkbox"
[checked]="saveUsername"
(change)="onSaveUsernameChanged(saveUserNameCheckBox.checked)" />
//component.ts
public saveUsername:boolean;
public onSaveUsernameChanged(value:boolean){
this.saveUsername = value;
}