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Pit Stop

Record your races with a typeracer account:

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  • Save your race history and scores.
  • Customize your profile and racecar.
  • It’s free, why not?
Racer Sölvi (somonn)
Race Number 37
Date Tue, 12 Nov 2019 09:44:28 +0000
Speed 68 WPM Try to beat?
Accuracy 98.0%
Rank 1st place (out of 5)
Opponents dzk75 (4th place)

Text typed:

JavaScript is very flexible about the types of values it requires. We've seen this for booleans: when JavaScript expects a boolean value, you may supply a value of any type, and JavaScript will convert it as needed. Some values ("truthy" values) convert to true and others ("falsy" values) convert to false.
JavaScript: The Definitive Guide (book) by David Flanagan (see stats)

Typing Review: