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yanite for forEach reduce map filter vs for
(version: 1)
Comparing performance of:
forEach vs reduce vs map vs filter vs for
Created:
one year ago
by:
Guest
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Script Preparation code:
var arr = []; for (var i = 0; i < 1000*1000; i++) { arr[i] = i; } function someFn(i) { return (i * 3 * 8 / 1200 * 0.002 / 40 * 0.2); } var sumForEach = 0, sumReduce = 0, sumMap = 0, sumFilter = 0, sumFor = 0;
Tests:
forEach
arr.forEach(item => sumForEach += someFn(item));
reduce
sumReduce = arr.reduce((lastValue, item) => { return sumReduce += someFn(item); });
map
arr.map(item => (sumMap += someFn(item)));
filter
arr.filter(item => (sumFilter += someFn(item)));
for
for (var j = 0; j < arr.length; j++) { sumFor += arr[j]; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
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Test case name
Result
forEach
reduce
map
filter
for
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_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser/OS:
Chrome 131 on Mac OS X 10.15.7
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Embed Benchmark Result
Test name
Executions per second
forEach
12.0 Ops/sec
reduce
12.9 Ops/sec
map
12.0 Ops/sec
filter
12.2 Ops/sec
for
14.8 Ops/sec
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forEach vs reduce vs map vs filter vs forof
forEach vs reduce vs map vs filter vs for 100k
forEach vs reduce vs map vs filter vs for-ali
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