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<p><b>Новая страница</b></p><div>== Enumerator==<br />
<br />
<p>Syntax</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
var variable = new Enumerator(collection)</source><br />
<br />
<br />
<p>The Enumerator object provides access to items in a collection by allowing iteration through a collection.</p><br />
<p>Unlike arrays, enumerators can not access a specific position.</p><br />
<p>Methods Associated with Enumerator Object</p><br />
Method<br />
Description<br />
atEnd()<br />
Determines if Enumerator is at the end of the collection<br />
item()<br />
Returns the current item in the collection<br />
moveFirst()<br />
Resets the Enumerator to the first item in the collection<br />
moveNext()<br />
Moves Enumerator to the next item in the collection<br />
<br />
== Enumerator.atEnd()==<br />
<br />
<p>The atEnd() method returns true if the enumerator is pointing to the last element in the collection; otherwise, it returns false.</p><br />
<p>True is also returned if the collection is empty or undefined.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<H1>Drive Letters and drive types:</H1><br />
<script language="JScript"><br />
<!--<br />
var fileSysObj = new ActiveXObject("Scripting.FileSystemObject");<br />
var en = new Enumerator(fileSysObj.Drives);<br />
for (;!en.atEnd();en.moveNext())<br />
{<br />
document.write("Drive ",en.item().DriveLetter);<br />
document.write(" is of type ",en.item().DriveType,"<br>");<br />
}<br />
--><br />
</script><br />
</html></source><br />
<br />
<br />
<br />
== Enumerator.item()==<br />
<br />
<p>The item() method returns the element that the enumerator is pointing to in the collection. If the collection is empty or undefined, undefined is returned.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<h1>Drive Letters and drive types:</h1><br />
<script language="JScript"><br />
<!--<br />
var fileSysObj = new ActiveXObject("Scripting.FileSystemObject");<br />
var en = new Enumerator(fileSysObj.Drives);<br />
for (;!en.atEnd();en.moveNext())<br />
{<br />
document.write("Drive ",en.item().DriveLetter);<br />
document.write(" is of type ",en.item().DriveType,"<br>");<br />
}<br />
--><br />
</script><br />
</html></source><br />
<br />
<br />
<br />
== Enumerator.moveFirst()==<br />
<br />
<p>The moveFirst() method moves the enumerator to the beginning of the collection. If the collection is empty or undefined, undefined is returned.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<H1>Drive Letters and drive types:</H1><br />
<script language="JScript"><br />
<!--<br />
var fileSysObj = new ActiveXObject("Scripting.FileSystemObject");<br />
var en = new Enumerator(fileSysObj.Drives);<br />
for (;!en.atEnd();en.moveNext()) {<br />
document.write("Drive " + en.item().DriveLetter + " is of type " + en.item().DriveType+"<br>");<br />
}<br />
document.write("<h1>Drive Status:</h1>");<br />
en.moveFirst();<br />
for (;!en.atEnd();en.moveNext()) {<br />
if(en.item().IsReady) {<br />
document.write("Drive ",en.item().DriveLetter);<br />
document.write(" is ready!<br>");<br />
} else {<br />
document.write("Drive ",en.item().DriveLetter);<br />
document.write(" is not ready!<br>");<br />
}<br />
}<br />
--><br />
</script><br />
</html></source><br />
<br />
<br />
<br />
== Enumerator.moveNext()==<br />
<br />
<p>The moveNext() method moves the enumerator to the next element in the collection. If the collection is empty, undefined is returned.</p><br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<H1>Drive Letters and drive types:</H1><br />
<script language="JScript"><br />
<!--<br />
var fileSysObj = new ActiveXObject("Scripting.FileSystemObject");<br />
var en = new Enumerator(fileSysObj.Drives);<br />
for (;!en.atEnd();en.moveNext()) {<br />
document.write("Drive ",en.item().DriveLetter);<br />
document.write(" is of type ",en.item().DriveType,"<br>");<br />
}<br />
--><br />
</script><br />
</html></source></div>