jlong

var parser = document.createElement('a');
parser.href = "http://example.com:3000/pathname/?search=test#hash";

parser.protocol; // => "http:"
parser.hostname; // => "example.com"
parser.port;     // => "3000"
parser.pathname; // => "/pathname/"
parser.search;   // => "?search=test"
parser.hash;     // => "#hash"
parser.host;     // => "example.com:3000"

nonsequitur

(require 'moz)

;;; Usage
;; Run M-x moz-reload-on-save-mode to switch moz-reload on/off in the
;; current buffer.
;; When active, saving the buffer triggers Firefox
;; to reload its current page.

(define-minor-mode moz-reload-on-save-mode
  "Moz Reload On Save Minor Mode"