Run results for: object record find 100000

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Linux

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
for...in loop	21.9 Ops/sec
Array.find	13.2 Ops/sec
for loop	24.3 Ops/sec

Script Preparation code:

var data = {};

var findId='data-id-999999';

// Generate more data
for (let i = 1; i <= 100000; i++) {
  var id = `data-id-${i}`;
  data[id] = { id: id };
}

Tests:

for...in loop
let result; for (const key in data) { if (data[key].id === findId) { result = data[key]; break; } }
Array.find
Object.values(data).find(item => item.id === findId);
for loop
const keys = Object.keys(data); for (let i = 0; i < keys.length; i++) { if (data[keys[i]].id === findId) { return data[keys[i]]; } }

Run results for: object record find 100000

for...in loop

Array.find

for loop