Code RoomDouble each number
EasyPrep Room Coding #2154

Double each number

Code reviewCode quality & reviewEntry–Mid~11 min

Review this JavaScript function meant to return the doubled value of each number.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 11 min
Mark a line and say what kind of problem it is.0 findings
1function doubleAll(nums) {
2 return nums.map((n) => { n * 2; });
3}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.