Run results for: while loop vs for loop: Simplest case

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

while loop 1

116.2M/s

for loop 1

111.8M/s

View exact numbers

Test name	Executions per second
✓ while loop 1	116,237,088 Ops/sec
for loop 1	111,841,080 Ops/sec

Tests:

for loop 1
var a = ["a","b","c","d","f"]; for (var i = 0; i < a.length; i++) {}
while loop 1
var a = ["a","b","c","d","f"]; var i = 0; while (i < a.length) {i++;}