I’m currently working around the
touch events of IE10 and even if I’m lucky enough to have a Windows 8 tablet, I
was looking for a simpler way to do basic tests on my classical laptop without
switching to the tablet each time. While looking for that, I’ve discovered
several tips & tricks that may help you debugging the IE10 touch events in
your code without even using a touch device. Nice side effect: the same
approach will also help you to test & debug your responsive web design!
follow this tutorial, you need first to:
1 – Download & install Windows
8 Release Preview on your machine: http://preview.windows.com
2 – Download & install Visual Studio 2012 RC Express for Windows 8: http://msdn.microsoft.com/en-us/windows/apps/br229516
The touch events
model of Internet Explorer 10
If you don’t know yet how our
touch implementation works, you should first read these 3 articles:
As a complement resource, you may
have a look to the Pointer.JS library
that mimics the IE10 model for the other browsers.
The Windows 8
Simulator to simulate touch
The Windows Simulator is
installed with the development tools and is normally designed to help you
testing & debugging your Metro Style Apps. You may learn a bit more details
look at Windows Simulator
Still, nothing prevents us to use
it for debugging web applications running inside IE10 in the simulator. Let me
show you how.
1 – Launch the simulator by
launching the Microsoft.Windows.Simulator.exe located inside "Program
Files (x86)\Common Files\Microsoft Shared\Windows Simulator\11.0"
And click on the desktop icon.
2 – Launch IE10, navigate to the
"Internet Options" and "Advanced" tab. Check that both "Disable
script debugging (Internet Explorer)" & "Disable script debugging
(Other)" are not checked:
3 – Navigate to the URL you’d
like to test and/or debug. For instance, let’s test this demo: Finger
from the IE Test Drive. Using
the simulator, you can simulate classical mouse input and/or touch switching
modes using this 2 buttons:
First, you’ll think you’ll get
the exact same results:
But clicking on this button
will show you that you have a
dual touch simulation for zooming & rotating:
These dual touch features are
more interesting to use with such demos: Browser Surface
Using the simulator, you’ll be
able to simulate zoom & rotation via touch gesture.
If you’d like to go deeper in the
testing & debugging of your touch experience, you’ll probably need to debug
the IE10 developer
But working in the smaller window of the simulator with the F12 key is not very
Another great solution is then to
use the debugger of Visual Studio 2012. Here are the steps to follow for that:
1 – On your main session (outside
of the simulator), launch Visual Studio 2012 RC Express and navigate to "DEBUG"
–> "Attach to Process…"
2 – Locate the "iexplorer.exe"
process (of type "x86, Script") to attach to:
3 – If everything goes fine, you
should have this result using the Browser Surface demo:
If it’s not the case, you’ve
probably attached to the wrong iexplore.exe process or you’ve forgot to uncheck
the disable script debugging options.
If you’ve chosen the right
Explorer" under the node named "Script Documents".
4 – Let’s then first concentrate
file and add a breakpoint on the line 136:
5 – Take an image and throw it
using the touch simulation, it should automatically break into Visual Studio:
You can then step into the code,
function by right clicking on it, etc. Well, you’ll have a very advanced
In conclusion, you can entirely
course, you’ll need to test your final code & web app on a real touch
device to have a perfect idea on how your code will behave in real conditions.
But still, this approach could help you and save you time.
Debugging your Responsive Design
The Simulator and VS 2012 could
be also some good friends to help you testing & debugging your responsive
design. Let’s start by reviewing what the simulator has to offer for that.
I’ve searched on the web for the
best websites implementing responsive design principles. I’ve chosen to use
this one: http://garretkeizer.com/ for the
following screenshots. You can find other cool websites to test on: http://mediaqueri.es
Here is the design of his website
in Internet Explorer 10 using the default settings of the simulator:
Let’s now review some cool
options of the simulator to go further.
1 – You can test how the design
change in portrait or landscape mode by clicking on these
Here is the result for the chosen
2 – You can also simulate various
forms factors and resolutions displays by clicking on this button:
3 – Here is the result of the
same website in 2560x1440 (compared to the default 1366x768 of previous
4 – Now if you want to go even
further, you can use the awesome DOM Explorer tool of VS 2012 to help
you reviewing & live editing your CSS. For instance, once the debugger is
attached, you’ll see a window named "DOM Explorer". While your mouse is
hovering the HTML node, you’ll see in live the various areas highlighted in the
And of course, you’ll be able to review,
edit & trace your styles in Visual Studio to potentially fix your CSS
I hope that these little tricks
will help and save some of you time. You should then keep an eye on these free