Run results for: for of vs for loops

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

for-of

368/s

for-index

230/s

View exact numbers

Test name	Executions per second
✓ for-of	368 Ops/sec
for-index	230 Ops/sec

Script Preparation code:

const planes = new Array(1_000_000).fill(2);

Tests:

for-of
for (const plane of planes) { Math.sqrt(plane); }
for-index
for (let i = 0; i < planes.length; i++) { const plane = planes[i]; Math.sqrt(plane); }