Recently, as our project approaches its completion and prepares for deployment, I encountered a major issue. Just when I had finished dealing with FTP-related issues, it turns out that the client failed to mention their system relies on Internet Explorer (Edge in IE11 compatibility mode).
This led to a significant challenge, and I’ve been diligently working on downgrading various packages or searching for alternatives. In the future, I’ll take the time to introduce how each issue was addressed one by one.
Today, let’s focus on enabling IE mode in Microsoft Edge and open its Developer Tools.
Internet Explorer Compatibility Mode in Edge
Despite the termination of all support for Internet Explorer (IE) in June 2022, it doesn’t mean engineers have completely escaped its grasp.
Edge actually has the capability to open in IE compatibility mode, typically emulating the compatibility of IE11. This feature has allowed many ancient programs (such as those used by banks, government departments, etc.) to survive, no matter how outdated they might be.
However, for developers like us, it’s a nightmare (which might be worth elaborating on later). Edge and Chrome are based on the same underlying engine, but IE is a completely different story.
(Indeed, this is the notorious option!)
In adhering to proper conventions, when opening a webpage in Internet Explorer, I encountered an unexpected issue — upon pressing F12, the Developer Tools displayed a blank screen, rendering even the selection of elements impossible.
In my quest for a solution, I turned to Google and discovered that in IE mode, accessing the Developer Tools requires a separate invocation. The key to this is a utility called IEChooser.exe.
IEChooser.exe
There are two ways to open it, but both involve using the same command.
%systemroot%\system32\f12\IEChooser.exe
The first method involves opening the ‘Run’ dialog with the shortcut Windows key + R, and then pasting and executing the command.
Alternatively, you can directly paste the command into the search box (magnifying glass). – Windows11
At this point, you should see a list of all pages opened with IE compatibility. Choose the one you’re interested in.
Mission accomplished! Congratulations, you’ve entered another irreversible journey (with a variety of ancient issues waiting for you in the realm of IE).
Conclusion
Feeling frustrated, I just don’t want to communicate with the client anymore.
They throw me this curveball right at the end, though it does provide material for an article.
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