Run results for: find faster - for vs find vs map vs foreach II

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var arr = [1,1,1,2,3,4,5,6,7,7,7,7,8,9,10,12,131,124,123,1525,1563,14234,123123,4,7,0,6,2,1,5,44,66,778,888,56,7,5,3,21,2,19]

Tests:

forEach
let foundForEachIndex = [] arr.forEach(function (item){ if (item[i] == 7){ foundForEachIndex.push(i) return } })
map
let foundMapIndex = arr.map(item => { if (item[i] == 7){ return i } })
find and foreach
const found = arr.find(function(element) { return element == 7 }) if(found > -1){ let foundForEachIndex = [] arr.forEach(function (item){ if (item[i] == 7){ foundForEachIndex.push(i) } }) }
nested foreach and filter
let foundForEachIndex = [] arr.filter( e => e == 7).forEach(function (item){ foundForEachIndex.push(i) return })
nested filter and map
arr.filter( e => e == 7).map(function (item){ return item })
nested filter and reduce
arr.filter(e => e==7).reduce((sum, e) => sum + e)