Run results for: test encore

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

for-of 2

395K/s

for-of

395K/s

forEach 2

361K/s

forEach 1

359K/s

for loop 1-2

89K/s

for loop 2-2

88K/s

for loop 2

64K/s

for loop 1

63K/s

for-in 2

8K/s

for-in

8K/s

View exact numbers

Test name	Executions per second
✓ for-of 2	395,289 Ops/sec
for-of	394,819 Ops/sec
forEach 2	361,260 Ops/sec
forEach 1	359,046 Ops/sec
for loop 1-2	88,896 Ops/sec
for loop 2-2	87,809 Ops/sec
for loop 2	63,584 Ops/sec
for loop 1	63,182 Ops/sec
for-in 2	7,932 Ops/sec
for-in	7,859 Ops/sec

Script Preparation code:

function generateLargeTestRef() {
  const testRef = {};
  for (let i = 0; i < 1; i++) {
    testRef[`prop${i}`] = "x".repeat(2); // 1 million de caractères
  }
  return testRef;
}

// Créer le testRef_large avec 50 propriétés
const testRef_large = generateLargeTestRef();

// Créer 10 000 testObject avec 3 références à testRef_large
const testObject = Array.from({ length: 10000 }, () => ({
  a: testRef_large,
  b: testRef_large,
  c: testRef_large,
}));

// Créer 10 000 testObject2 avec 5 références à testRef_large
const testObject2 = Array.from({ length: 10000 }, () => ({
  a: testRef_large,
  b: testRef_large,
  c: testRef_large,
  e: testRef_large,
  f: testRef_large,
}));

Tests:

forEach 1
testObject.forEach(item => { });
forEach 2
testObject2.forEach(item => { });
for loop 1
for (let i = 0; i < testObject.length; i++) { const item = testObject[i]; }
for loop 2
for (let i = 0; i < testObject2.length; i++) { const item = testObject2[i]; }
for loop 1-2
for (let i = 0, l = testObject.length; i < l; i++) { const item = testObject[i]; }
for loop 2-2
for (let i = 0, l = testObject2.length; i < l; i++) { const item = testObject2[i]; }
for-in
for (let key in testObject) { }
for-in 2
for (let key in testObject2) { }
for-of
for (let item of testObject) { }
for-of 2
for (let item of testObject2) { }