Get directory from a file path or url

filepath.split("/").slice(0,-1).join("/"); // get dir of filepath

1. split string into array delimited by "/"
2. drop the last element of the array (which would be the file name + extension)
3. join the array w/ "/" to generate the directory path

Using path module of node.js:

path.dirname('/this/is/a/path/to/a/file');

returns

'/this/is/a/path/to/a'

Using plain JS, this will work:

var e = '/this/is/a/path/to/a/file.html'
e.split("/").slice(0,-1).join("/")  //split to array & remove last element

//result: '/this/is/a/path/to/a'

OR... if you prefer a one liner (using regex):

"/this/is/a/path/to/a/file.html".replace(/(.*?)[^/]*\..*$/,'$1')

//result: '/this/is/a/path/to/a/'

OR... finally, the good old fashioned (and faster):

var e = '/this/is/a/path/to/a/file.html'
e.substr(0, e.lastIndexOf("/"))

//result: '/this/is/a/path/to/a'

I think you're looking for path.dirname