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item Method

  • [アーティクル]

This topic documents a feature of HTML+TIME 2.0, which is obsolete as of Windows Internet Explorer 9.

Retrieves the playItem object at the specified index from the current playList collection.

Syntax

oPlayItem = playList.item( [iIndex])

Parameters

iIndex Optional. An Integer or String that specifies the index or title of the object to retrieve from the collection. The first object in the collection is located at index position 0, and the last object in the collection is located at position length minus 1.

Return Value

Receives the active playItem object in the playList collection.

Example

This example demonstrates how to use the item method to retrieve an object from a collection.

<HTML XMLNS:t="urn:schemas-microsoft-com:time">
<HEAD>
<TITLE>item Method</TITLE>
<?IMPORT namespace="t" implementation="#default#time2">

<STYLE>
    .time{ behavior: url(#default#time2);}
</STYLE>
<SCRIPT LANGUAGE="JavaScript">
var m2; //another media object
//...
function setActiveTrack(){
    if(itemNumber.value=="" || 
            (itemNumber.value<1 || itemNumber.value>5) || 
            (isFinite(itemNumber.value)==false)){
        alert('Must enter a valid track number!\nPlease re-enter your choice (1-5).');
        itemNumber.value='';
        itemNumber.focus();
        return;
    }else{
        m2 = m1.playList.item(itemNumber.value-1); //index starts at 0
        updateFields();
    }
}
...
</SCRIPT>
</HEAD>

<BODY>

<t:media id="m1" begin="indefinite;" 
   src="/workshop/samples/author/behaviors/media/media.asx" />

<span id="title1">Title:</span><BR>
<span id="author1">Author:</span><BR>
<span id="abstract1">Abstract:</span><BR>
<span id="copyright1">Copyright:</span><BR>
<span id="index1">Index: </span><BR><BR>

Enter track number (1-5): <input type="text" name="itemNumber" value="" size="2"><BR><BR>

<BUTTON id="b0" onclick="m1.beginElement();setActiveTrack();">Start</BUTTON>
<BUTTON id="b3" onclick="m1.endElement();emptyFields();">Stop</BUTTON>
<BR><BR>

</BODY>
</HTML>

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/behaviors/item.htm

Applies To

playList

See Also

Introduction to HTML+TIME, activeElements