class DOM.MediaList |
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The MediaList interface provides the abstraction of an ordered collection of media, without defining or constraining how this collection is implemented. All media are lowercase strings.
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Adds the medium newMedium to the end of the list. If the newMedium is already used, it is first removed.
newMedium - The new medium to add. DOMException INVALID_CHARACTER_ERR: If the medium contains characters that are invalid in the underlying style language. NO_MODIFICATION_ALLOWED_ERR: Raised if this list is readonly. |
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Deletes the medium indicated by oldMedium from the list.
oldMedium - The medium to delete in the media list. DOMException NO_MODIFICATION_ALLOWED_ERR: Raised if this list is readonly. NOT_FOUND_ERR: Raised if oldMedium is not in the list. |
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Internal |
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Returns the indexth in the list. If index is greater than or equal to the number of media in the list, this returns null.
index - Index into the collection. Returns The medium at the indexth position in the MediaList, or null if that is not a valid index. |
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The number of media in the list. The range of valid media is 0 to length-1 inclusive. |
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The parsable textual representation of the media list. This is a comma-separated list of media. DOMException SYNTAX_ERR: Raised if the specified string value has a syntax error and is unparsable. NO_MODIFICATION_ALLOWED_ERR: Raised if this media list is readonly. |
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see mediaText |