Allows for the selection of more than one site selectable element at a time when the user holds down the SHIFT or CTRL keys.
Command MultipleSelection User interface None. Set bUserInterface to false. execCommand vValue Required. Boolean specifying whether this feature is to be on or off. Applies to execCommand, queryCommandEnabled, queryCommandIndeterm, queryCommandState, queryCommandSupported, queryCommandValue.
If multiple items are selected when the multiple selection feature is turned off, the items will remain selected.
Internet Explorer 5.5 and later.