diff --git a/brozzler/browser.py b/brozzler/browser.py
index 35caa27..288d64b 100644
--- a/brozzler/browser.py
+++ b/brozzler/browser.py
@@ -202,6 +202,17 @@ class WebsockReceiverThread(threading.Thread):
         if self.on_response:
             self.on_response(message)
 
+    def _javascript_dialog_opening(self, message):
+        self.logger.info('javascript dialog opened: %s', message)
+        if message['params']['type'] == 'alert':
+            accept = True
+        else:
+            accept = False
+        self.websock.send(
+                json.dumps(dict(
+                    id=0, method='Page.handleJavaScriptDialog',
+                    params={'accept': accept})))
+
     def _handle_message(self, websock, json_message):
         message = json.loads(json_message)
         if 'method' in message:
@@ -223,6 +234,8 @@ class WebsockReceiverThread(threading.Thread):
                         '%s console.%s %s', self.websock.url,
                         message['params']['message']['level'],
                         message['params']['message']['text'])
+            elif message['method'] == 'Page.javascriptDialogOpening':
+                self._javascript_dialog_opening(message)
             # else:
             #     self.logger.debug("%s %s", message["method"], json_message)
         elif 'result' in message:
diff --git a/setup.py b/setup.py
index 4601475..f3cf5fb 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def find_package_data(package):
 
 setuptools.setup(
         name='brozzler',
-        version='1.1b9.dev165',
+        version='1.1b9.dev167',
         description='Distributed web crawling with browsers',
         url='https://github.com/internetarchive/brozzler',
         author='Noah Levitt',
diff --git a/tests/htdocs/site4/alert.html b/tests/htdocs/site4/alert.html
new file mode 100644
index 0000000..5770aec
--- /dev/null
+++ b/tests/htdocs/site4/alert.html
@@ -0,0 +1,13 @@
+<html>
+    <head>
+        <title>a page that pops up an alert</title>
+        <script>
+            alert("I'm an alert")
+        </script>
+    </head>
+    <body>
+        <h1>alert</h1>
+        <p>this is a page that pops up an alert</p>
+    </body>
+</html>
+
diff --git a/tests/htdocs/site4/confirm.html b/tests/htdocs/site4/confirm.html
new file mode 100644
index 0000000..e4e3339
--- /dev/null
+++ b/tests/htdocs/site4/confirm.html
@@ -0,0 +1,13 @@
+<html>
+    <head>
+        <title>a page that pops up an alert</title>
+        <script>
+            confirm("I'm a confirm dialog")
+        </script>
+    </head>
+    <body>
+        <h1>confirm</h1>
+        <p>this is a page that pops up a confirm modal dialog</p>
+    </body>
+</html>
+
diff --git a/tests/htdocs/site4/print.html b/tests/htdocs/site4/print.html
new file mode 100644
index 0000000..031704f
--- /dev/null
+++ b/tests/htdocs/site4/print.html
@@ -0,0 +1,13 @@
+<html>
+    <head>
+        <title>a page that pops up an print dialog</title>
+        <script>
+            print()
+        </script>
+    </head>
+    <body>
+        <h1>print</h1>
+        <p>this is a page that pops up a print dialog</p>
+    </body>
+</html>
+
diff --git a/tests/htdocs/site4/prompt.html b/tests/htdocs/site4/prompt.html
new file mode 100644
index 0000000..0f61aab
--- /dev/null
+++ b/tests/htdocs/site4/prompt.html
@@ -0,0 +1,13 @@
+<html>
+    <head>
+        <title>a page that pops up an prompt</title>
+        <script>
+            prompt("I'm a prompt")
+        </script>
+    </head>
+    <body>
+        <h1>prompt</h1>
+        <p>this is a page that pops up a prompt</p>
+    </body>
+</html>
+
diff --git a/tests/test_brozzling.py b/tests/test_brozzling.py
index 563f106..5d66db9 100644
--- a/tests/test_brozzling.py
+++ b/tests/test_brozzling.py
@@ -114,7 +114,6 @@ def test_on_response(httpd):
     url = 'http://localhost:%s/site3/page.html' % httpd.server_port
     with brozzler.Browser(chrome_exe=chrome_exe) as browser:
         browser.browse_page(url, on_response=on_response)
-        browser.browse_page(url)
     assert response_urls[0] == 'http://localhost:%s/site3/page.html' % httpd.server_port
     assert response_urls[1] == 'http://localhost:%s/site3/brozzler.svg' % httpd.server_port
     assert response_urls[2] == 'http://localhost:%s/favicon.ico' % httpd.server_port
@@ -126,3 +125,20 @@ def test_420(httpd):
         with pytest.raises(brozzler.ReachedLimit) as excinfo:
             browser.browse_page(url)
         assert excinfo.value.warcprox_meta == WARCPROX_META_420
+
+def test_js_dialogs(httpd):
+    chrome_exe = brozzler.suggest_default_chrome_exe()
+    url = 'http://localhost:%s/site4/alert.html' % httpd.server_port
+    with brozzler.Browser(chrome_exe=chrome_exe) as browser:
+        # before commit d2ed6b97a24 these would hang and eventually raise
+        # brozzler.browser.BrowsingTimeout, which would cause this test to fail
+        browser.browse_page(
+                'http://localhost:%s/site4/alert.html' % httpd.server_port)
+        browser.browse_page(
+                'http://localhost:%s/site4/confirm.html' % httpd.server_port)
+        browser.browse_page(
+                'http://localhost:%s/site4/prompt.html' % httpd.server_port)
+        # XXX print dialog unresolved
+        # browser.browse_page(
+        #         'http://localhost:%s/site4/print.html' % httpd.server_port)
+
