Debugging

Fix Missing Return

easydebuggingreturnmap
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Problem

`double` is supposed to return an array with every element doubled, but something is missing. Fix the function.

Your solution
Test results
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About this challenge

Fix Missing Return is a easy debugging coding challenge. It tests your ability to read unfamiliar code, find the defect, and fix it without breaking the rest. Write your solution in the editor above, run it against the test cases, and get instant feedback — free, in your browser, no sign-up.

Show a hint & approach (spoiler)

Hint: The function never returns anything. Add the `return` keyword.

Keep practicing

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