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Run results for:
Spread operator vs unshift
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 Edg/131.0.0.0
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
unshift
29864694.0 Ops/sec
spread op
33666760.0 Ops/sec
Tests:
unshift
var l = ['apple', 7, 'omaha']; l.unshift('scarlett');
spread op
var l = ['apple', 7, 'omaha']; l = ['scarlett', ...l];