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Run results for:
Empty array: Splice vs Shift vs Pop
Compares the speed for removing all items from the beginning of an array
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<iframe src="https://measurethat.net/Embed?id=558397" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
array.pop()
36.8M/s
array.shift()
36.5M/s
array.splice()
27.6M/s
View exact numbers
Test name
Executions per second
✓
array.pop()
36,827,452 Ops/sec
array.shift()
36,481,900 Ops/sec
array.splice()
27,623,664 Ops/sec
Script Preparation code:
var array = [1, 2, 3, 4, 5, 6, 7, 8]
Tests:
array.splice()
array.splice(0)
array.shift()
while (array.length > 0) array.shift();
array.pop()
while (array.length > 0) array.pop();