How can I edit javascript in my browser like I can use Firebug to edit CSS/HTML?

Question

Within JSP files, I have some pretty complicated Javascript. On a production machine, we\'re seeing a very weird bug that we have not been able to understand. We have neve

Answer 1

I would still recommend Firebug. Not only it can debug JS within your JSP files, it can enhance debugging experience with addons like JS Deminifier (if your production JS is minified), FireQuery, FireRainbow and more.

There is also Firebug lite which is nothing but a bookmarklet. It lets you do limited things but still is useful.

Chrome as a developer console built-in that would let you modify javascript.

Using these tools, you should be able to inject your own JS too.