Selects the entire document.
Scripting Information
Command SelectAll User interface None. Set bUserInterface to false or omit. execCommand vValue Optional. Set to null or omit.Applies toexeccommand, querycommandenabled, querycommandindeterm, querycommandstate, querycommandsupported, queryCommandValue.
是否符合公共标准
There is no public standard that applies to this command.
Minimum Availability
Internet Explorer 4.0 and later.