playItem Object

Represents an individual media file in a playlist collection.

members table

The following table lists the members exposed by the playItem object. Click a tab on the left to choose the type of member you want to view.
Attributes/Properties
Attribute Property Description
abstract Retrieves a description of the media file.
author Retrieves the name of the media file's author.
begin begin Sets or retrieves the delay time before the timeline begins playing on the element.
copyright Retrieves the copyright information associated with a media file.
dur dur Sets or retrieves a value indicating the amount of time the element remains active or displayed.
end end Sets or retrieves a value indicating the end time for the element, or the end of the simple duration when the element is set to repeat.
hasMedia Retrieves a Boolean value that indicates whether the element is an introduction to html+time media element.
index Retrieves the index value of the playItem object in the playList collection.
rating Retrieves the rating of the media file.
src src Sets or retrieves the source URL of the media.
systemBitrate Retrieves the approximate bandwidth available to the system in bits-per-second.
systemCaptions Indicates whether or not to display a text equivalent of the audio portion of the presentation.
systemLanguage Indicates whether a given language is selected in a user's system preferences.
systemOverdubOrSubtitle Specifies whether overdubs or subtitles render during a presentation.
timecontainer timeContainer Sets or retrieves the type of timeline associated with an element.
title Retrieves the title of the media file.
type type Sets or retrieves the MIME type of the media object referenced by the src attribute.
methods
method description
setActive Sets the playItem object as the active track in the playList collection, which causes the track to play.

Attribute	Property	Description
	abstract	Retrieves a description of the media file.
	author	Retrieves the name of the media file's author.
begin	begin	Sets or retrieves the delay time before the timeline begins playing on the element.
	copyright	Retrieves the copyright information associated with a media file.
dur	dur	Sets or retrieves a value indicating the amount of time the element remains active or displayed.
end	end	Sets or retrieves a value indicating the end time for the element, or the end of the simple duration when the element is set to repeat.
	hasMedia	Retrieves a Boolean value that indicates whether the element is an introduction to html+time media element.
	index	Retrieves the index value of the playItem object in the playList collection.
	rating	Retrieves the rating of the media file.
src	src	Sets or retrieves the source URL of the media.
systemBitrate		Retrieves the approximate bandwidth available to the system in bits-per-second.
systemCaptions		Indicates whether or not to display a text equivalent of the audio portion of the presentation.
systemLanguage		Indicates whether a given language is selected in a user's system preferences.
systemOverdubOrSubtitle		Specifies whether overdubs or subtitles render during a presentation.
timecontainer	timeContainer	Sets or retrieves the type of timeline associated with an element.
	title	Retrieves the title of the media file.
type	type	Sets or retrieves the MIME type of the media object referenced by the src attribute.

method	description
setActive	Sets the playItem object as the active track in the playList collection, which causes the track to play.

是否符合公共标准

This object is a Microsoft extension to Synchronized Multimedia Integration Language (SMIL) .

Applies To

playList

更多语法参考

Introduction to HTML+TIME