Error (CODE5022) JavaScript detected in Internet Explorer 10

Here is the code that I wrote:

AjxException.reportScriptError =
 function(ex) {
if (AjxException.reportScriptErrors && AjxException.scriptErrorHandler && !(ex    
       instanceof AjxException)) {
    AjxException.scriptErrorHandler(ex);
}
throw ex;
};

This code works fine in all browsers, including IE9 and IE8. However, when testing in IE10, I encountered the following error:

 SCRIPT5022: InvalidCharacterError

The error specifically pointed to throw ex;. Can anyone explain why this happens in IE10 and suggest a solution?

javascriptajaxinternet-explorer-10

Answer №1

After some investigation, I finally identified the issue with the code: the javascript was originally designed for older versions of internet explorer: IE7, IE8, IE9 and included this line:

var ninput = document.createElement(AjxEnv.isIE ? ["<INPUT type='",type,"'>"].join("") :  
"INPUT");

This code successfully created an INPUT element in earlier versions of IE but did not work in IE10. Therefore, I had to make a modification to accommodate for this:

var ninput = document.createElement((AjxEnv.isIE && !AjxEnv.isIE10up)? ["<INPUT type='",type,"'>"].join("") : "INPUT");

Now, the code is functioning properly.

Answer №2

Have you checked if your files are saved without a BOM (Byte Order Mark)? Including a BOM can often cause issues with parsers and create chaos.

I would also suggest breaking up your code into as many lines as possible to pinpoint the line causing trouble. By removing that line for testing purposes, you can quickly identify the problem.

For instance, it's possible that you may be using an object of the wrong type (such as working with an array when the object is actually a string). If removing an object resolves the issue (or improves it), consider using 

alert('typeof myObject = '+typeof myObject);
for additional insight.

Additionally, it seems like there are multiple occurrences of ex in your code. Double check to ensure you aren't using both a string and a function named ex.

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