How to add Datepicker for Custom option Date field in Magento 2?

In Magento 2 you can add Datepicker for a custom option Date Field in Product detail page using enable Javascript Calander. Native Magento doesn’t display Date picker for Date Custom Option field. They just show as a Dropdown option for Day, Month and Year.

You have to enable Javascript Calander from System Configuration.

Go To
Admin panel, Stores -> Configuration -> Catalog
Go to Section,
Date & Time Custom Options

Enable Use JavaScript Calendar to Yes,
Set Year Range from and to a field.

Save Configuration.

Date with Datepicker custom option
Date with Datepicker custom option

You can check the Product with Date Custom option as Date picker instead of Default Drop down selection for Date Option.