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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.102 Safari/537.36 OPR/90.0.4480.54

Browser: Opera 90

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	14960.5 Ops/sec
prototype.find	842348.4 Ops/sec
forEach	16155.2 Ops/sec
map	15079.0 Ops/sec

Script Preparation code:

var arr = []
let i = 0
let len = 1000
for(;i<len;i++) {
	arr.push(i)                
}

Tests:

for
let i = 0 let len = arr.length let foundIndex = -1 for(;i<len;i++) { if (arr[i] > 999){ return i } }
prototype.find
const found = arr.find(function(element) { return element > 999 })
forEach
let foundForEachIndex = -1 arr.forEach(function (item){ if (item[i] > 999){ foundForEachIndex = i return } })
map
let foundMapIndex = arr.map(item => { if (item[i] > 999){ return i } })

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

for

prototype.find

forEach

map