Run results for: Unshift vs concat

We can add elements to the beginning of array using both, let's find out which is faster. Unshift also mutates the array. Concat does not, so that would be preferable.

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Chrome 127
Windows
Desktop
2 years ago
Benchmark.js
Unshift
26K/s
Concat
803/s
View exact numbers
Test name Executions per second
✓ Unshift 26,082 Ops/sec
Concat 803 Ops/sec
Script Preparation code:
Tests: