Top features —Q:

Are there any predicate-level debugging tools for javascript of interest?

I have a javascript - on a page - and would love to be able to find out if I am setting (receiving) the right values in the setter and getter properties. Instead of the usual detour of knowing the subtle differences between reading and writing to an object property.
I found that Firebug, Chrome's debugger, and others, let me inspect 50e0806aeb voliphyl
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