Demo page showing the change callback doesn't work, error in the console.

[joshdance]

Reproduction Steps:

Navigate to https://timepicker.co/demos/ the pick the Using the change callback.

Change the time.

Notice the text field doesn't change colors.

Open the console. See the error.

Uncaught TypeError: e.isFunction is not a function

Expected Behavior:

The text input background color would change as the event fires and is acted on.