Code RoomLoop boundary skips first item

EasyPrep Room Coding #2149

Loop boundary skips first item

Code reviewCode quality & reviewEntry–Mid~12 min

Review this JavaScript that sums the last three scores.

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 12 min

Mark a line and say what kind of problem it is.0 findings

1function lastThreeSum(scores) {

2 let total = 0;

3 for (let i = scores.length - 1; i > scores.length - 3; i--) {

4 total += scores[i];

5 }

6 return total;

7}

Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.