diff --git a/Gemfile b/Gemfile
index 4761cc8..45b425a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,6 +12,15 @@ gem 'guard-shell'
 gem 'guard-coffeescript'
 gem 'guard-cucumber'
 
+require 'rbconfig'
+case RbConfig::CONFIG['host_os']
+when /darwin/
+  gem 'growl'
+  gem 'rb-fsevent'
+when /linux/
+  gem 'libnotify'
+end
+
 gem 'growl'
 gem 'rake', '0.8.7'
 gem 'mocha', '0.9.12'
diff --git a/ext/jasmine-webkit-specrunner/Page.cpp b/ext/jasmine-webkit-specrunner/Page.cpp
index b3f6c3d..cdfa396 100644
--- a/ext/jasmine-webkit-specrunner/Page.cpp
+++ b/ext/jasmine-webkit-specrunner/Page.cpp
@@ -11,6 +11,5 @@ void Page::javaScriptConsoleMessage(const QString & message, int lineNumber, con
 }
 
 void Page::javaScriptAlert(QWebFrame *, const QString &) {}
-bool Page::javaScriptConfirm(QWebFrame *, const QString &) {
-  return false;
-}
+bool Page::javaScriptConfirm(QWebFrame *, const QString &) { return false; }
+bool Page::javaScriptPrompt(QWebFrame *, const QString &, const QString &, QString *) { return false; }
diff --git a/ext/jasmine-webkit-specrunner/Page.h b/ext/jasmine-webkit-specrunner/Page.h
index 74c6f77..bae094d 100644
--- a/ext/jasmine-webkit-specrunner/Page.h
+++ b/ext/jasmine-webkit-specrunner/Page.h
@@ -12,6 +12,7 @@ class Page: public QWebPage {
     void javaScriptConsoleMessage(const QString & message, int lineNumber, const QString & sourceID);
     void javaScriptAlert(QWebFrame *, const QString &);
     bool javaScriptConfirm(QWebFrame *, const QString &);
+    bool javaScriptPrompt(QWebFrame *, const QString &, const QString &, QString *);
   signals:
     void handleError(const QString & message, int lineNumber, const QString & sourceID);
 };
diff --git a/features/bin/with_window_prompt.feature b/features/bin/with_window_prompt.feature
new file mode 100644
index 0000000..0f1dac1
--- /dev/null
+++ b/features/bin/with_window_prompt.feature
@@ -0,0 +1,7 @@
+Feature: Bin - With window.prompt()
+  Scenario: Alert the user that window.prompt() needs to be stubbed
+    Given I have a test suite
+    When I run `bin/jasmine-headless-webkit -j spec/jasmine/window_prompt/window_prompt.yml`
+    Then the exit status should be 0
+      And the output should include "You should mock window.prompt"
+
diff --git a/spec/jasmine/window_prompt/source.js b/spec/jasmine/window_prompt/source.js
new file mode 100644
index 0000000..220eb03
--- /dev/null
+++ b/spec/jasmine/window_prompt/source.js
@@ -0,0 +1,2 @@
+window.prompt("Yes! Hi!");
+
diff --git a/spec/jasmine/window_prompt/window_prompt.yml b/spec/jasmine/window_prompt/window_prompt.yml
new file mode 100644
index 0000000..13b11ef
--- /dev/null
+++ b/spec/jasmine/window_prompt/window_prompt.yml
@@ -0,0 +1,4 @@
+src_dir: spec/jasmine/window_prompt
+src_files: 
+- '**/*.js'
+
diff --git a/vendor/assets/coffeescripts/prolog.coffee b/vendor/assets/coffeescripts/prolog.coffee
index da892df..3ca660e 100644
--- a/vendor/assets/coffeescripts/prolog.coffee
+++ b/vendor/assets/coffeescripts/prolog.coffee
@@ -48,8 +48,13 @@ if window.JHW
     false
 
   # dialogs
-  window.confirm = (message) ->
-    puts "#{"[confirm]".foreground('red')} jasmine-headless-webkit can't handle confirm() yet! You should mock window.confirm. Returning true."
+  window.confirm = ->
+    puts "#{"[confirm]".foreground('red')} You should mock window.confirm. Returning true."
+
+    true
+
+  window.prompt =  ->
+    puts "#{"[prompt]".foreground('red')} You should mock window.prompt. Returning true."
 
     true
 
diff --git a/vendor/assets/javascripts/prolog.js b/vendor/assets/javascripts/prolog.js
index 5405669..72a490f 100644
--- a/vendor/assets/javascripts/prolog.js
+++ b/vendor/assets/javascripts/prolog.js
@@ -1,6 +1,5 @@
 (function() {
   var puts;
-
   if (window.JHW) {
     window.console = {
       log: function(data) {
@@ -44,7 +43,9 @@
       e = e || window.event;
       JHW.hasError();
       puts("The code tried to leave the test page. Check for unhandled form submits and link clicks.");
-      if (e) e.returnValue = 'string';
+      if (e) {
+        e.returnValue = 'string';
+      }
       return 'string';
     };
     JHW._hasErrors = false;
@@ -53,8 +54,12 @@
       JHW._hasErrors = true;
       return false;
     };
-    window.confirm = function(message) {
-      puts("" + ("[confirm]".foreground('red')) + " jasmine-headless-webkit can't handle confirm() yet! You should mock window.confirm. Returning true.");
+    window.confirm = function() {
+      puts("" + ("[confirm]".foreground('red')) + " You should mock window.confirm. Returning true.");
+      return true;
+    };
+    window.prompt = function() {
+      puts("" + ("[prompt]".foreground('red')) + " You should mock window.prompt. Returning true.");
       return true;
     };
     window.alert = function(message) {
@@ -70,15 +75,14 @@
       _ref = jasmine.getEnv().reporter.subReporters_;
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         reporter = _ref[_i];
-        if (reporter.consoleLogUsed != null) reporter.consoleLogUsed(msg);
+        if (reporter.consoleLogUsed != null) {
+          reporter.consoleLogUsed(msg);
+        }
       }
       JHW._usedConsole = true;
       return puts(msg);
     };
   }
-
   window.CoffeeScriptToFilename = {};
-
   window.CSTF = window.CoffeeScriptToFilename;
-
 }).call(this);