Code RoomQuadratic splice in array filter
MediumPrep Room Coding #1718

Quadratic splice in array filter

Code reviewAlgorithms & data structuresMid–Senior~20 min

Review this JavaScript function that removes archived items.

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 20 min
Mark a line and say what kind of problem it is.0 findings
1function purgeArchived(items) {
2 let i = 0;
3 while (i < items.length) {
4 if (items[i].archived) {
5 items.splice(i, 1); // remove in place
6 } else {
7 i++;
8 }
9 }
10 return items;
11}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.