Run results for: Usporedba Optimised 100

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Find person in map

3.2M/s

Find person in array

2.1M/s

View exact numbers

Test name	Executions per second
✓ Find person in map	3,174,938 Ops/sec
Find person in array	2,057,382 Ops/sec

Script Preparation code:

window.bigMap = {};
window.bigArray = Array.from({length: 100}).map((_, index) => {
  const id = "person-id-" + index;
  const person = { id: id, name: `John Doe ${id}`, age: 18 + Math.floor(Math.random() * 70)  };
  bigMap[id] = person;
  return person
})

window.generateId = function generateId() {
  return "person-id-" + Math.floor(Math.random() * 100);
}

window.getPersonFromMap = function getPersonFromMap() {
  const id = generateId();
  return window.bigMap[id];
}


window.getPersonFromArray = function getPersonFromArray() {
  const id = generateId();
  return window.bigArray.find(function findById(p){ return p.id === id; });
}

for (let i = 0; i < 10000; i++) {
  getPersonFromMap()
}
for (let i = 0; i < 10000; i++) {
  getPersonFromArray()
}

Tests:

Find person in map
getPersonFromMap()
Find person in array
getPersonFromArray()