Javascript debugging - Show variables in use

Question

Is there any way I can view the variables used in a javascript function without trawling through the code?

Using javascript on a server so cant really install an app to debug, is there a javascript function i can use in some way?

So, you are not in a web browser? Are you executing this javascript on the command line? — Dominic Barnes
– Dominic Barnes, Commented Feb 3, 2010 at 15:54
Do you mean you want to see what variable are used, or their values? By "using javascript on a server" do you mean the JS is executing on the server, or is the server sending JS to a browser for execution? (The 2nd is way more common.) — Drew Wills
– Drew Wills, Commented Feb 3, 2010 at 15:56
What is the real problem you're trying to solve? In other words, what is it that you think would be useful about "viewing the variables used in a javascript function"? What sort of bug are you trying to diagnose? — Pointy
– Pointy, Commented Feb 3, 2010 at 16:01

Tim Down · Accepted Answer · 2010-02-09 10:56:49Z

1

Not unless the JavaScript implementation you're using has some extension that provides such a feature (browsers don't). JavaScript resolves identifiers inside a function using the scope chain; there's no single object that contains all the variables in scope, and the objects in the scope chain are inaccessible from code.

edited Feb 9, 2010 at 10:56

answered Feb 4, 2010 at 1:00

Tim Down

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