Benchmark: Loop methods - MeasureThat.net

Tests:

for
const arr = new Array(10000) for (let i = 0; i < arr.length; i++) { console.log(i); }
for len
const arr = new Array(10000) const len = arr.length for (let i = 0; i < len; i++) { console.log(i); }
while
let i = 0; const arr = new Array(10000) while (i < arr.length) { console.log(i); i++; }
while len
let i = 0; const arr = new Array(10000) const len = arr.length while (i < len) { console.log(i); i++; }

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

for

47/s

while len

47/s

for len

47/s

while

47/s

View exact numbers

✓ for: 47 ops/sec
• while len: 47 ops/sec
• for len: 47 ops/sec
• while: 47 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
for len
while
while len

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0

Browser/OS: Chrome 139 on Windows

View result in a separate tab

for

47/s

for len

46/s

while

42/s

while len

41/s

View exact numbers

Test name	Executions per second
✓ for	47 Ops/sec
for len	46 Ops/sec
while	42 Ops/sec
while len	41 Ops/sec

Loop methods (version: 1)

Comparing performance of: `for vs for len vs while vs while len`

Created: one year ago by: Registered User

Go to the latest result

for

for len

while

while len

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Loop methods (version: 1)

Comparing performance of: for vs for len vs while vs while len

Created: one year ago by: Registered User

Go to the latest result

for

for len

while

while len

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `for vs for len vs while vs while len`