queryCommandSupported Method

DHTML文档教程

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Returns a Boolean value that indicates whether the current command is supported on the current range.

dhtml语法

bSupported = object.queryCommandSupported(sCmdID)

Parameters

sCmdID

Required. Stringthat specifies a command identifier.

return value

boolean that returns one of the following possible values:

true	the command is supported.
false	the command is not supported.

是否符合公共标准

There is no public standard that applies to this method.

Applies To

	document, controlRange, TextRange

更多语法参考

execcommand, querycommandenabled, querycommandindeterm, querycommandstate, queryCommandValue