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spread vs concat vs unshift 2
(version: 1)
spread vs concat vs unshift
Comparing performance of:
arrayUnshift123 vs arrayConcat123 vs arraySpread123
Created:
one year ago
by:
Registered User
Go to the latest result
Script Preparation code:
var array = (new Array(10000)).fill(null).map((el, index) => index);
Tests:
arrayUnshift123
array.unshift(0);
arrayConcat123
array = array.concat([0])
arraySpread123
array = [0, ...array]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
arrayUnshift123
arrayConcat123
arraySpread123
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/131.0.0.0 Safari/537.36
Browser/OS:
Chrome 131 on Windows
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Embed Benchmark Result
arrayUnshift123
26K/s
arrayConcat123
1K/s
arraySpread123
97/s
View exact numbers
Test name
Executions per second
✓
arrayUnshift123
26,310 Ops/sec
arrayConcat123
1,228 Ops/sec
arraySpread123
97 Ops/sec
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spread vs concat vs unshift
spread vs concat vs unshift on 1000
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