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jl-20250123
(version: 1)
Compares the speed for removing 2 items from the beginning of an array
Comparing performance of:
array.slice() vs array.splice() vs array.shift()
Created:
one year ago
by:
Guest
Jump to the latest result
Script Preparation code:
var array = [1, 2, 3, 4, 5, 6, 7, 8] var itemsToRemove = 2
Tests:
array.slice()
array = array.slice(0,itemsToRemove)
array.splice()
array.splice(0, itemsToRemove)
array.shift()
for (let i = 0 ; i < itemsToRemove ; i++) array.shift()
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
array.slice()
array.splice()
array.shift()
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/132.0.0.0 Safari/537.36
Browser/OS:
Chrome 132 on Mac OS X 10.15.7
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=581319" width="100%" height="500px"></iframe>
Test name
Executions per second
array.slice()
13898961.0 Ops/sec
array.splice()
68037768.0 Ops/sec
array.shift()
84481632.0 Ops/sec
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Slice vs Splice vs Shift (More itemsToRemove)
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