org.w3c.dom.stylesheets

## Interface MediaList

-     public interface MediaList

  The `MediaList` interface provides the abstraction of an ordered collection of media, without defining or constraining how this collection is implemented. An empty list is the same as a list that contains the medium `"all"`.

  The items in the `MediaList` are accessible via an integral index, starting from 0.

  See also the Document Object Model (DOM) Level 2 Style Specification.

  Since:
    DOM Level 2

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `appendMedium(String newMedium)` Adds the medium `newMedium` to the end of the list.
    `void` | `deleteMedium(String oldMedium)` Deletes the medium indicated by `oldMedium` from the list.
    `int` | `getLength()` The number of media in the list.
    `String` | `getMediaText()` The parsable textual representation of the media list.
    `String` | `item(int index)` Returns the `index`th in the list.
    `void` | `setMediaText(String mediaText)` The parsable textual representation of the media list.

- - ### Method Detail

    - #### getMediaText

          String getMediaText()

      The parsable textual representation of the media list. This is a comma-separated list of media.

    - #### setMediaText

          void setMediaText(String mediaText)
                            throws DOMException

      The parsable textual representation of the media list. This is a comma-separated list of media.
      Throws:
        `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.

    - #### getLength

          int getLength()

      The number of media in the list. The range of valid media is `0` to `length-1` inclusive.

    - #### item

          String item(int index)

      Returns the `index`th in the list. If `index` is greater than or equal to the number of media in the list, this returns `null`.
      Parameters:
        `index` - Index into the collection.
      Returns:
        The medium at the `index`th position in the `MediaList`, or `null` if that is not a valid index.

    - #### deleteMedium

          void deleteMedium(String oldMedium)
                            throws DOMException

      Deletes the medium indicated by `oldMedium` from the list.
      Parameters:
        `oldMedium` - The medium to delete in the media list.
      Throws:
        `DOMException` - NO_MODIFICATION_ALLOWED_ERR: Raised if this list is readonly.
        NOT_FOUND_ERR: Raised if `oldMedium` is not in the list.

    - #### appendMedium

          void appendMedium(String newMedium)
                            throws DOMException

      Adds the medium `newMedium` to the end of the list. If the `newMedium` is already used, it is first removed.
      Parameters:
        `newMedium` - The new medium to add.
      Throws:
        `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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