If you want to know where the log is being prompted from use console.trace() to get the stack trace with the logged data.
console.time() and console.timeEnd()
If you are trying to find a sneaky performance issue, start counting time with console.time() and print with console.timeEnd().
If your performance issue is even trickier, and you are looking for a sneaky memory leak, you might like to try and utilize console.memory (property, not a function) to check out your heap size status.
console.profile(‘profileName’) and console.profileEnd(‘profileName’)