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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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
spread op
70.8M/s
unshift
26.4M/s
View exact numbers
Test name
Executions per second
✓
spread op
70,762,912 Ops/sec
unshift
26,416,518 Ops/sec
Tests:
unshift
var l = ['apple', 7, 'omaha']; l.unshift('scarlett');
spread op
var l = ['apple', 7, 'omaha']; l = ['scarlett', ...l];