I have a few scripts on a site I recently started maintaining. I get those Object Not Found errors in IE6 (which Firefox fails to report in its Error Console?). What’s the best way to debug these- any good cross-browser-compatible IDEs, or javascript debugging libraries of some sort?
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There’s no cross-browser JS debugger that I know of (because most browsers use different JS engines).
For firefox, I’d definitely recommend firebug (http://www.getfirebug.com)
For IE, the best I’ve found is Microsoft Script Debugger (http://www.microsoft.com/downloads/details.aspx?familyid=2f465be0-94fd-4569-b3c4-dffdf19ccd99&displaylang=en). If you have Office installed, you may also have Microsoft Script Editor installed. To use either of these, you need to turn on script debugging in IE. (uncheck Tools -> Internet Options -> Advanced -> Disable Script debugging).