FAQ: Code Challenges: JavaScript Fundamentals - numImaginaryFriends()


This community-built FAQ covers the “numImaginaryFriends()” exercise from the lesson “Code Challenges: JavaScript Fundamentals”.

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Hello. Why does 33 percent need to be written as 0.33 and not 33% ?


0.33 is a literal which can be used directly in calculations. 33% is an abstract which would need to be parsed and interpreted before it can be evaluated. It would have to be written in string form else the JS interpreter will see it as a number followed by the modulo operator and missing an operand so would raise an error.

33 % 10 === 3

If we wish to output to the display, then,

pct = 0.33;
`${pct * 100}% of voters were undecided.`

Note that % is string character.