add some documentation

nicegui/elements/input.py

@@ -31,6 +31,7 @@ class Input(ValidationElement, DisableableElement, component='input.js'):
         e.g. ``{'Too long!': lambda value: len(value) < 3}``.
         The key of the first rule that fails will be displayed as an error message.
         Alternatively, you can pass a callable that returns an optional error message.
+        To disable the automatic validation on every value change, you can use the `without_auto_validation` method.
 
         Note about styling the input:
         Quasar's `QInput` component is a wrapper around a native `input` element.

nicegui/elements/number.py

@@ -30,6 +30,7 @@ class Number(ValidationElement, DisableableElement):
         e.g. ``{'Too small!': lambda value: value < 3}``.
         The key of the first rule that fails will be displayed as an error message.
         Alternatively, you can pass a callable that returns an optional error message.
+        To disable the automatic validation on every value change, you can use the `without_auto_validation` method.
 
         :param label: displayed name for the number input
         :param placeholder: text to show if no value is entered

nicegui/elements/select.py

@@ -37,6 +37,7 @@ class Select(ValidationElement, ChoiceElement, DisableableElement, component='se
         e.g. ``{'Too long!': lambda value: len(value) < 3}``.
         The key of the first rule that fails will be displayed as an error message.
         Alternatively, you can pass a callable that returns an optional error message.
+        To disable the automatic validation on every value change, you can use the `without_auto_validation` method.
 
         :param options: a list ['value1', ...] or dictionary `{'value1':'label1', ...}` specifying the options
         :param label: the label to display above the selection

nicegui/elements/textarea.py

@@ -21,6 +21,7 @@ class Textarea(Input, component='input.js'):
         e.g. ``{'Too long!': lambda value: len(value) < 3}``.
         The key of the first rule that fails will be displayed as an error message.
         Alternatively, you can pass a callable that returns an optional error message.
+        To disable the automatic validation on every value change, you can use the `without_auto_validation` method.
 
         :param label: displayed name for the textarea
         :param placeholder: text to show if no value is entered