Benchmark: Math.atan2(...arr) v. Math.atan2(arr[0], arr[1])

Script Preparation code:

var numbers = Array(100000).fill(null).map(x => [Math.random()*100, Math.random()*100])

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
...arr
arr[0], arr[1]

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0

Browser/OS: Firefox 93 on Windows

Test name	Executions per second
...arr	16.6 Ops/sec
arr[0], arr[1]	31.6 Ops/sec

Math.atan2(...arr) v. Math.atan2(arr[0], arr[1]) (version: 0)