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Run results for:
Some vs. Every Includes
Check if NOT some members of an array equal a value vs. checking if all values in an array aren't equal to a value.
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<iframe src="https://measurethat.net/Embed?id=626840" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3.1 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one month ago
Test name
Executions per second
Some (Non-Existing Value)
78777192.0 Ops/sec
Every (Non-Existing Value)
82778312.0 Ops/sec
Some (Existing Value)
115982672.0 Ops/sec
Every (Existing Value)
111657912.0 Ops/sec
Script Preparation code:
var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
Tests:
Some (Non-Existing Value)
!array.some(value => value === 20);
Every (Non-Existing Value)
array.every(value => value !== 20);
Some (Existing Value)
!array.some(value => value === 10);
Every (Existing Value)
array.every(value => value !== 10);