Получение значения системных полей для элемента списка с помощью ECMAScript

После загрузки елемента вызываем у него

Title – SP.ListItem.get_item(‘Title‘);
ID – SP.ListItem.get_id();
Url -SP.ListItem.get_item(‘urlfieldname‘).get_url()
Description – SP.ListItem.get_item(‘descriptionfieldname‘).get_description();
Current Version – SP.ListItem.get_item(“_UIVersionString“);
Lookup field – SP.ListItem.get_item(‘LookupFieldName’).get_lookupValue();
Choice Field – SP.ListItem.get_item(‘ChoiceFieldName‘);
Created Date – SP.ListItem.get_item(“Created“);
Modified Date – SP.ListItem.get_item(“Modified“); -> case sensitive does not work with ‘modified’
Created By – SP.ListItem.get_item(“Author“).get_lookupValue());
Modified by – SP.ListItem.get_item(“Editor“).get_lookupValue());
File  – SP.ListItem.get_file();
File Versions -  File.get_versions();.
Content Type – SP.ListItem.get_contentType();
Parent List – SP.ListItem.get_parentList();