Oct 10, 2008 · If a.length is one, it's a visible file with no extension ie. file. If a[0] === "" and a.length === 2 it's a hidden file with no extension ie. .htaccess. This should clear up issues …

Aug 18, 2013 · Providing better file type checking/feedback to users client-side is a good idea. However, as you have stated, browsers simply rely on the file extensions when determining …

Oct 31, 2013 · html javascript type=file. 33. Check file type when form submit? 13. File type validation with JavaScript ...

According to the W3C File API specification, the File constructor requires 2 (or 3) parameters. So to create a empty file do: var f = new File([""], "filename"); The first argument is the data …

Jan 30, 2014 · Javascript Filereader - File Type Checking. 1. Check an image mime type with FileReader javascript before ...

Nov 2, 2011 · Every File type has a 'type' property, for example: 'image/jpeg', 'audio/mp3' and so on... (this file-type format is called 'MIME types') This is an example of one way to check the …

Jul 20, 2015 · Javascript has both File and Blob for file representation, and both are almost the same thing. Is there a way to check if a variable is holding a File or a Blob type of data?

When a user selects a file in a web page I want to be able to extract just the filename. I did try str.search function but it seems to fail when the file name is something like this: …

Mar 18, 2016 · Yes, but the client and server have to agree on what content can be sent and how it is encoded. It is certainly possible to write server code to accept either a raw POST body or …

Jul 21, 2015 · There is also the option of accessing it if it is a file input. var mime = $('input[type="file"]').prop('files')[0].file; Keep in mind the extension to mime type makes no …