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Run results for:
Spread operator vs unshift
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0
Browser:
Firefox 148
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
6 months ago
Benchmark engine:
Benchmark.js
unshift
32.8M/s
spread op
28.5M/s
View exact numbers
Test name
Executions per second
✓
unshift
32,837,026 Ops/sec
spread op
28,511,074 Ops/sec
Tests:
unshift
var l = ['apple', 7, 'omaha']; l.unshift('scarlett');
spread op
var l = ['apple', 7, 'omaha']; l = ['scarlett', ...l];