Observes this field and runs a callback when a value changes.
Observes this form and runs a callback when any field changes.
Show or hide elements when a
<input> has a given value.
Forms with an
up-target attribute are submitted via AJAX
instead of triggering a full page reload.
When a form field with this attribute is changed, the form is validated on the server and is updated with validation messages.
Observes a field or form and submits the form when a value changes.
Observes form fields and runs a callback when a value changes.
Submits a form via AJAX and updates a page fragment with the response.
Performs a server-side validation of a form field.
Sets default options for form submission and validation.