What this snippet does
pipe and compose do the same thing in opposite orders — pipe reads like a sequence of steps, compose like nested calls.
Expected output
49 49
Why practise typing this
Typing functions code builds muscle memory for the symbols and indentation JavaScript uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
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