Run results for: Find the best ApiListWrapper.findBy() performance

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

[lambda] for-loop > findBy

2.4M/s

[no lambda] for-loop> findByName

2.3M/s

[no lambda] for-loop > findByKeyValuePair

2.2M/s

[no lambda] for..of > findByName

1.8M/s

[no lambda] for..of > findByKeyValuePair

1.8M/s

[lambda] for..of > findBy

1.7M/s

[lambda] Array.find() > findBy

1.7M/s

View exact numbers

Test name	Executions per second
✓ [lambda] for-loop > findBy	2,430,456 Ops/sec
[no lambda] for-loop> findByName	2,258,882 Ops/sec
[no lambda] for-loop > findByKeyValuePair	2,241,353 Ops/sec
[no lambda] for..of > findByName	1,783,246 Ops/sec
[no lambda] for..of > findByKeyValuePair	1,769,255 Ops/sec
[lambda] for..of > findBy	1,748,574 Ops/sec
[lambda] Array.find() > findBy	1,716,441 Ops/sec

Script Preparation code:

const userNames = [
	'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 
	'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 'Abraham', 'Barbara', 'Charlotte', 'David', 'Dora', 'Emil', 'Emilia', 'Friedrich', 'Gustav', 'Hanna', 'Heinrich', 'Ida', 'Jakob', 'Johanna', 'Karl', 'Lina', 'Ludwig', 'Marie', 'Maximilian', 'Mia', 'Niklas', 'Olga', 'Paul', 'Sophie', 'Theodor', 'Wilhelm', 'Zoe', 'Özil', 'Severin', 
	'Yvonne'
];
users = userNames.map((name, index) => ({ id: index + 1, name }));

Tests:

[lambda] Array.find() > findBy
const findBy = (fn) => { return users.find(item => fn(item)) ?? null; } findBy(user => user.name === 'Yvonne');
[lambda] for..of > findBy
const findBy = (fn) => { for (const user of users) { if (fn(user)) { return user; } } return null; } findBy(user => user.name === 'Yvonne');
[no lambda] for..of > findByName
const findByName = (name) => { for (const user of users) { if (user.name === name) { return user; } } return null; } findByName('Yvonne');
[no lambda] for..of > findByKeyValuePair
const findByKeyValuePair = (key, value) => { for (const user of users) { if (user[key] === value) { return user; } } return null; } findByKeyValuePair('name', 'Yvonne');
[lambda] for-loop > findBy
const findBy = (fn) => { for (i = 0; i < users.length; ++i) { const user = users[i]; if (fn(user)) { return user; } } return null; } findBy(user => user.name === 'Yvonne');
[no lambda] for-loop> findByName
const findByName = (name) => { for (i = 0; i < users.length; ++i) { const user = users[i]; if (user.name === name) { return user; } } return null; } findByName('Yvonne');
[no lambda] for-loop > findByKeyValuePair
const findByKeyValuePair = (key, value) => { for (i = 0; i < users.length; ++i) { const user = users[i]; if (user[key] === value) { return user; } } return null; } findByKeyValuePair('name', 'Yvonne');