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Run results for:
map vs for...of vs for
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=622962" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.127 Safari/537.36 OPR/60.3.3004.55692
Browser:
Opera 60
Operating system:
Linux
Device Platform:
Desktop
Date tested:
4 months ago
Test name
Executions per second
map
232662.4 Ops/sec
for i loop
88807.1 Ops/sec
for of loop
267275.1 Ops/sec
Script Preparation code:
var data = [1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,];
Tests:
map
data.map(function (number) { return number * 2});
for i loop
let items = []; for(let i = 0; i < data.length; i++){ items.push(data[i] * 2); }
for of loop
let items = []; for(let item of data){ items.push(item * 2); }