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Note: that uses arguments.callee, which is disallowed in ES5 strict-mode.

• k3n 14y ago
  After looking at the code in more depth, I feel I should point out that it looks like `arguments.callee` is only the last-ditch fallback for generating a trace. I see baked-in support for Chrome, IE, FF, Safari, and Opera, and so unless your preferred browser is something else (or you want to target every possible browser) then you could change just a few lines to make it strict mode compliant.