Select a file via javascript

I have a folder with several pdf files and I needed to select the pdf 1348.pdf, but via javascript, is it possible to do this? Should I use a handler? and how would I return this value (binary, name and size)?

~ / files / 1348.pdf

In a server method it would look like this:

 DirectoryInfo diretorio = new DirectoryInfo(Server.MapPath("~/arquivos/"));
                FileInfo[] arquivos = diretorio.GetFiles("1348.pdf"); 

I wanted to know how to do this via javascript