InsertHorizontalRule Command
Overwrites a horizontal line on the text selection.
Scripting Information
Command InsertHorizontalRule User interface None. Set bUserInterface to false or omit. execCommand vValue Optional. String that specifies an id attribute for the horizontal line. May be set to null or omitted. Applies to execCommand, queryCommandEnabled, queryCommandIndeterm, queryCommandState, queryCommandSupported, queryCommandValue.
Minimum Availability
Internet Explorer 4.0 and later.