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JavaScript › Types and coercion

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Multiple choice Moderate coercionoperator-overloading ~50s

What is the value of '5' + 3 and '5' - 3 ?

Hints are free to take and they are counted. A correct answer after two hints moves your mastery less than one without — which is the honest way to score it.

Why this question? this skill is new to you; it consolidates something easier; and it needs calibrating — few people have tried it Predicted chance you get it: 57% — the selector aims at 78%.
difficulty fit 0.191
skill need 0.75
review boost 0
calibration bonus 0.12
recency penalty 0
repetition penalty 0
frustration 0