Determine File Extensions Using JavaScript

A handy JavaScript function to get file extensions.

function fileExt(path) {
return path.substr(path.lastIndexOf(’.') + 1);
}

Sample Output
Input Output()
file.ext ext
/folder/subfolder/file.ext ext
file.bak.ext ext

3 comments so far

  1. admin May 11, 2008 23:38

    call of duty 4 http://cod4.com.ua


  2. FilePath.Class.prototype.getExt = function () {
    var pattern = /^(.*)\.(.+)$/;
    var f = this._file.match(pattern);
    return f[2];
    }

    а я дурашка так делал…

  3. admin July 11, 2008 17:51

    midi.in.ua karaoke http://midi.in.ua

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