Run results for: Test lodash difference and xor

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Spread lodash	20.4 Ops/sec
Concat lodash	34.3 Ops/sec
XOR lodash	12.4 Ops/sec
ES2024 set symmetricDifference	24.6 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var arr1 = [];
for(let i = 0; i < 500000; i++) {
  arr1.push('' + i);
}

var arr2 = [];
for(let i = 499999; i < 999999; i++) {
  arr2.push('' + i);
}

Tests:

Spread lodash
const combo = [..._.difference(arr2, arr1), ..._.difference(arr1, arr2)];
Concat lodash
const combo = _.difference(arr2, arr1).concat(_.difference(arr1, arr2));
XOR lodash
const combo = _.xor(arr2, arr1);
ES2024 set symmetricDifference
const set1 = new Set(arr1); const set2 = new Set(arr2); const combo = set1.symmetricDifference(set2)

Run results for: Test lodash difference and xor

Spread lodash

Concat lodash

XOR lodash

ES2024 set symmetricDifference