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Run results for:
Slice vs Splice vs Shift (Large Array 2)
Compares the speed for removing items from the beginning of an array
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<iframe src="https://measurethat.net/Embed?id=621424" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0
Browser:
Firefox 145
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
5 months ago
Test name
Executions per second
array.slice()
29201100.0 Ops/sec
array.splice()
20733506.0 Ops/sec
array.shift()
27572.0 Ops/sec
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()