Run results for: Ways to loop different depths of objects

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Flatter

729K/s

More deeply nested

575K/s

functional

13K/s

View exact numbers

Test name	Executions per second
✓ Flatter	728,506 Ops/sec
More deeply nested	574,904 Ops/sec
functional	13,190 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

let nestedObject = {
  start: 123123123123,
  end: 123123123123,
  slots: [],
  score: 123,
};

let flatterObject = {
  ...nestedObject,
  scores: [],
};

const slots = 336; // 7 * 24 * 2;

for (var i = 0; i < slots; i++) {
  nestedObject.slots.push({
    index: i,
    start: i * 30,
    end: i * 30 + 30,
    scores: {
      scoreA: Math.round(i % 7),
      scoreB: Math.round(i % 3),
      scoreC: Math.round(i % 43),
      scoreD: Math.round(i % 5),
      scoreE: Math.round(i % 82),
      scoreF: Math.round(i % 12),
      scoreG: Math.round(i % 42),
    },
    score: Math.round((i % 43) + (i % 5) + (i % 82) + (i % 12) + (i % 42)),
  });

  flatterObject.slots.push({
    index: i,
    start: i * 30,
    end: i * 30 + 30,
    scores: {
      scoreA: Math.round(i % 7),
      scoreB: Math.round(i % 3),
      scoreC: Math.round(i % 43),
      scoreD: Math.round(i % 5),
      scoreE: Math.round(i % 82),
      scoreF: Math.round(i % 12),
      scoreG: Math.round(i % 42),
    },
    score: Math.round((i % 43) + (i % 5) + (i % 82) + (i % 12) + (i % 42)),
  });
  flatterObject.scores.push(Math.round((i % 43) + (i % 5) + (i % 82) + (i % 12) + (i % 42)));
}

Tests:

More deeply nested
let finalScore = 0; for (var i = 0; i < 336; i++) { if (nestedObject.slots[i].score > 90) { continue; } finalScore += nestedObject.slots[i].score; }
Flatter
let finalScore = 0; for (var i = 0; i < 336; i++) { if (flatterObject.scores[i] > 90) { continue; } finalScore += flatterObject.scores[i]; }
functional
nestedObject.slots.filter(slot => slot <= 90).reduce((acc, slot) => acc + slot.score, 0)