(PHP 4 >= 4.0.2, PHP 5, PHP 7)
fdf_set_javascript_action — Sets an javascript action of a field
$fdf_document
, string $fieldname
, int $trigger
, string $script
) : boolSets a javascript action for the given field.
fdf_documentThe FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
fieldnameName of the FDF field, as a string.
trigger
script
�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��