Internet Explorer producing wrong line number for error

Question

I have a jsp with lots of javascript code. Whenever there is a javascript error on the page, shown in the status bar of the IE browser, the line number reported to contain t

Answer 1

Here is a nice article

Debugging JavaScript: Understanding JavaScript Error Messages

The line number, in particular, turns out to be a lot less helpful than you might expect. Browsers differ in their determination of the line number and thus do not reliably report the correct line number that an error occurred at in relation to the source code. Internet Explorer, for instance, reports the line number in relation to the browser's own internal rendering of the document source, which may or may not match the source file! Firefox reports the location of the error more reliably, reporting the script file that an error occurred in where applicable. Firefox will not however provide you with details about the element that caused the error, known as the "caller". This information, which can be useful in quickly tracing the cause of an error, is currently only provided by Internet Explorer.