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Microsoft® JScript® moveFirst Method |
Language Reference Version 3 |
Resets the current item in the collection to the first item.
myEnum.moveFirst( )The myEnum argument is any Enumerator object.
If there are no items in the collection, the current item is set to undefined.In following example, the moveFirst method is used to begin evaluating members of the Drives collection from the beginning of the list:
function ShowFirstAvailableDrive() { var fso, s, e, x; fso = new ActiveXObject("Scripting.FileSystemObject"); e = new Enumerator(fso.Drives); e.moveFirst(); s = ""; do { x = e.item(); if (x.IsReady) { s = x.DriveLetter + ":"; break; } else if (e.atEnd()) { s = "No drives are available"; break; } e.moveNext(); } while (!e.atEnd()); return(s); }
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