只能remove. Syntaxobject.remove(iIndex) ParametersiIndex Required. Integer that specifies the zero-based index of the element to remove from the collection. Return ValueNo return value.Standards InformationThis method is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 . Applies TocontrolRange Platform Version Win16: 5 Win32: 5 Windows CE: N/A Unix: 5 Mac: 5 Version data is listed when the mouse hovers over a link, or the link has focus. areas, controlRange, options, SELECT Move the mouse pointer over an element in the Applies To list to display availability information for the listed platforms.
Syntaxobject.remove(iIndex)
ParametersiIndex Required. Integer that specifies the zero-based index of the element to remove from the collection. Return ValueNo return value.Standards InformationThis method is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 . Applies TocontrolRange
Platform Version
Win16: 5
Win32: 5
Windows CE: N/A
Unix: 5
Mac: 5
Version data is listed when the mouse hovers over a link, or the link has focus.
areas, controlRange, options, SELECT
Move the mouse pointer over an element in the Applies To list to display availability information for the listed platforms.