Enhancing Win8 apps with AppendTo/jquery-win8

Recently, I've been intrigued by the ToDoMVC samples and decided to try porting them into a Windows 8 JS app. I thought it would be as simple as copying and pasting the code while making sure to reference the necessary WinJS libraries.

However, I soon realized that Microsoft's security principles regarding InnerHTML posed a challenge. In my search for a solution, I came across jQuery-Win8, which aimed to bypass this issue. Unfortunately, when attempting to implement this in examples using Angular and Backbone, I encountered an exception related to appendChild during app execution.

I have come across suggestions indicating that the app could still run despite this error if I choose to "Continue." However, hitting that button ultimately results in the application shutting down anyway.

If anyone has insights or advice on how to troubleshoot this issue and get the app up and running smoothly, I would greatly appreciate it.

Thank you.

UPDATE: Attached is a screenshot of the exception encountered in Visual Studio: https://i.sstatic.net/DOQl1.png

javascriptbackbone.jswindows-8angularjswinjs

Answer №1

When implementing jQuery at load time, appendTo's version can help eliminate errors that may arise. However, it is important to be mindful of the security model Microsoft has established. Adding unsanitized markup to your page can pose a risk, so Microsoft advises caution.

If you are certain that your code is safe, you have the option to set jQuery.isUnsafe to true after incorporating the appendTo library. This action will ensure that any potentially unsafe calls are enclosed within MSApp.execUnsafeLocalFunction, addressing Microsoft's concerns.

It is worth noting that this feature is disabled by default.

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