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Run results for:
map vs for...of vs for
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=582750" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
map
1958727.1 Ops/sec
for i loop
4128598.5 Ops/sec
for of loop
1348456.1 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); }