Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
map vs foreach generating array
(version: 1)
Comparing performance of:
forEach vs map
Created:
one year ago
by:
Guest
Go to the latest result
Script Preparation code:
var array = new Array(100);
Tests:
forEach
const result = []; array.forEach(function(i) { result.push(i); });
map
const result = array.map(function(i) { return array[i]; });
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
forEach
map
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0
Browser/OS:
Firefox 136 on Mac OS X 10.15
View result in a separate tab
Embed
Embed Benchmark Result
forEach
11.2M/s
map
9.3M/s
View exact numbers
Test name
Executions per second
✓
forEach
11,177,246 Ops/sec
map
9,339,928 Ops/sec
Related benchmarks
for vs foreach vs map vs for..of
map vs foreach
foreach vs mappp
Comments
Confirm delete:
Do you really want to delete benchmark?