js批量删除客户端本地指定路径下的多个文件

function delLocalTempPic(fileLocalString )
{
if (fileLocalString != null && fileLocalString.value != 'undefined')
{
var filenameArray = fileLocalString.split(",");//将字符串切割成一个数组
if (filenameArray != null && filenameArray.length > 0)
{
var fso = new ActiveXObject("Scripting.FileSystemObject");
for ( var i = 0; i < filenameArray.length; i++)
{
f2 = fso.GetFile(filenameArray[i]);
f2.Delete();
}
}
}
}