Underline Command
Toggles the current selection between underlined and not underlined.
Scripting Information
Command Underline User interface None. Set bUserInterface to false or omit. execCommand vValue Optional. Set to null or omit. Applies to execCommand, queryCommandEnabled, queryCommandIndeterm, queryCommandState, queryCommandSupported, queryCommandValue.
Minimum Availability
Internet Explorer 4.0 and later.