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Run results for:
for loop vs Array.some vs for of
Compare loop performance
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Browser:
Chrome 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
5 months ago
Test name
Executions per second
for
373065.5 Ops/sec
some
2750615.8 Ops/sec
for of
1942657.0 Ops/sec
Script Preparation code:
var array = Array.from(Array(1000), (_, i) => i);
Tests:
for
var result = false; for (let i = 0; i < array.length; ++i) { const item = array[i]; if (item > 500) { result = true; break; } }
some
let result = array.some(item => item > 500);
for of
let result = false; for (const item of array) { if (item > 500) { result = true; break; } }