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Array.filter VS Array.toSpliced for element deletion by value
(version: 2)
Benchmark the performance of creating a new array with an element removed by value / predicate using Array.filter or Array.toSpliced
Comparing performance of:
Array.toSpliced vs Array.filter
Created:
one year ago
by:
Registered User
Go to the latest result
Script Preparation code:
function makeTestArray(sym) { const arr = Array.from({ length: 10_000 }).map((_, i) => i) arr[Math.floor(Math.random() * arr.length)] = sym return arr }
Tests:
Array.toSpliced
const deleteElement = Symbol() const arr = makeTestArray(deleteElement) const deleteIndex = arr.findIndex((e) => e == deleteElement) const newArr = arr.toSpliced(deleteIndex, 1)
Array.filter
const deleteElement = Symbol() const arr = makeTestArray(deleteElement) const newArr = arr.filter((e) => e != deleteElement)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Array.toSpliced
Array.filter
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0
Browser/OS:
Firefox 131 on Linux
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=593741" width="100%" height="500px"></iframe>
Array.toSpliced
2K/s
Array.filter
2K/s
View exact numbers
Test name
Executions per second
✓
Array.toSpliced
2,297 Ops/sec
Array.filter
1,923 Ops/sec
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Remove by splice vs filter with a known index
Array.filter VS Array.toSpliced for element deletion
Comments
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