Run results for: equiv arrays 3

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:81.0) Gecko/20100101 Firefox/81.0

Browser: Firefox 81

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
custom solution	45663.6 Ops/sec
loadash solution	18530.3 Ops/sec

HTML Preparation code:

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

Tests:

custom solution
const array1 = [] const array2 = [] for (let i = 0; i <= 100; i++) { array1.push(i) } for (let i = 99; i >= 0; i--) { array2.push(i) } function equivalent(arr1, arr2) { if (arr1.length !== arr2.length) { return false } arr1.forEach((elem) => { const index = arr2.findIndex((elem2) => elem === elem2) if (index === -1) { // not found return false } arr2.splice(index, 1) // remove element }) if (arr2.length > 0) { // if still values in arr2, they are not in arr1 return false } return true } const res = equivalent(array1, array2) console.log(res)
loadash solution
const array1 = [] const array2 = [] for (let i = 0; i <= 100; i++) { array1.push(i) } for (let i = 100; i >= 0; i--) { array2.push(i) } function equivalent(arr1, arr2) { if (arr1.length !== arr2.length) { return false } const sorted1 = _.orderBy(arr1) const sorted2 = _.orderBy(arr2) return _.isEqual(sorted1, sorted2) } const res = equivalent(array1, array2) console.log(res)