How to get document extension from a document library in SharePoint 2013 using Client Object Model?

Question

I tried this code to get value :

docEnumerator = collVideoLibrary.getEnumerator();
//Looping through the collection
while (docEnumerator.moveNext()) 
{
    docItem = docEnumerator.get_current();
    var description = docItem.get_item('Title');
}

but only "Title" are getting from library, please do needful.

Answer 1

Try below code , To get file name with extension

while (ListEnumerator.moveNext()) {
        var Item = ListEnumerator.get_current();


       fileRef = Item.get_item('FileRef');

Hope this will help