JetFormBuilder Pro Select Autocomplete GPL :

Auto-fill the Select fields & save time

Select Autocomplete is a JetFormBuilder addon that suggests possible options matching the input to the Select field type. Can be applied to any frontend form yet only to Select fields.

The addon’s type-ahead search behavior is complimented by loading options via AJAX.

Each time a request is made to the server, that allows you to receive up-to-date data. For busy sites, it’s a win-win. Select Autocomplete can be used for Shipping and Billing forms, order submission, booking forms, and many more.

Unlock All Addon Options

• Use Autocomplete
  Turn this toggle ON/OFF to enable/disable the Select Autocomplete functionality and a text box to the Select field type.
• Loading via AJAX
  When activated, this toggle allows loading options via AJAX, enhancing the user experience.
• Minimum input length
  The minimum number of characters required to perform a search.