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Ask HN: How to become a ninja level JavaScript debugger?
2 points by galois198 3039 days ago
I'm currently working on a large legacy JS project that contains a lot of state, which means that it is quite hard to determine where objects originated from. Are there any resources/methods that will imporve my . JS debugging skills?

NB: I come from a background of languages that use the REPL a lot, so REPL techniques are also warmly welcomed.