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for of loop vs. .map
(version: 1)
Comparing performance of:
.map vs for loop
Created:
one year ago
by:
Registered User
Go to the latest result
Script Preparation code:
// Create sample data var array = [1,2,3,4,5,6,7,8,9,0]; var manipulateFn = num => { return num * 2 * 3; }
Tests:
.map
var newArray = array.map( i => manipulateFn(i));
for loop
var newArray = []; for (const item of array) { newArray.push(manipulateFn(item)); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
.map
for loop
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/126.0.6478.61 Chrome/126.0.6478.61 Not/A)Brand/8 Safari/537.36
Browser/OS:
Chrome 126 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=586830" width="100%" height="500px"></iframe>
.map
8.7M/s
for loop
7.7M/s
View exact numbers
Test name
Executions per second
✓
.map
8,687,036 Ops/sec
for loop
7,652,268 Ops/sec
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