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Slice vs Splice vs Shift (Large Array 2)
(version: 1)
Compares the speed for removing items from the beginning of an array
Comparing performance of:
array.slice() vs array.splice() vs array.shift()
Created:
one year ago
by:
Guest
Go to the latest result
Script Preparation code:
var array = Array(10000).fill(0) var itemsToRemove = 5000
Tests:
array.slice()
array = array.slice(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:
8 months ago
)
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0
Browser/OS:
Firefox 145 on Ubuntu
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=621424" width="100%" height="500px"></iframe>
array.slice()
29.2M/s
array.splice()
20.7M/s
array.shift()
28K/s
View exact numbers
Test name
Executions per second
✓
array.slice()
29,201,100 Ops/sec
array.splice()
20,733,506 Ops/sec
array.shift()
27,572 Ops/sec
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Slice vs Splice vs Shift 231
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Slice vs Splice vs Shift vs Spread syntax
Empty array: Splice vs Shift
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