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spread vs loop
(version: 2)
Comparing performance of:
SPREAD ARRAY vs LOOP ARRAY vs SPREAD OBJECT vs LOOP OBJECT
Created:
one year ago
by:
Registered User
Jump to the latest result
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
let data = []; for (let i = 0; i < 1000; i++) { data.push(i); } let obj = data.reduce((acc, item) => ({ ...acc, id: item }), {});
Tests:
SPREAD ARRAY
let items = { ...data };
LOOP ARRAY
let items = data.map((item) => item);
SPREAD OBJECT
let items = { ...obj };
LOOP OBJECT
let items = Object.entries(obj).reduce((acc, [key, item]) => ({ ...acc, [key]: item }), {});
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
SPREAD ARRAY
LOOP ARRAY
SPREAD OBJECT
LOOP OBJECT
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
7 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Browser/OS:
Chrome 140 on Mac OS X 10.15.7
View result in a separate tab
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Embed Benchmark Result
Test name
Executions per second
SPREAD ARRAY
15256.3 Ops/sec
LOOP ARRAY
968547.7 Ops/sec
SPREAD OBJECT
87749736.0 Ops/sec
LOOP OBJECT
15430769.0 Ops/sec
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