Run results for: lodash UniqueWith vs filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

filter

22.4M/s

_.uniqWith

0/s

View exact numbers

Test name	Executions per second
✓ filter	22,378,852 Ops/sec
_.uniqWith	0 Ops/sec

Script Preparation code:

var myArray = Array(3000).fill({a:1, b:2});

Tests:

_.uniqWith
myArray = _.uniqWith(array, _.isEqual);
filter
const trackObj = {}; myArray = myArray.filter(item => { if (trackObj[item.a] && trackObj[item.a] === item.b) { return false; } trackObj[item.a] = item.b; return true; })