Run results for: Reduce vs Join in Javascript

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0

Browser: Firefox Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
reduce	49004.3 Ops/sec
join	33956.9 Ops/sec

Script Preparation code:

var digits = [];
for (var i=0; i<1000; i++) {
  digits[i] = ""+i+i;
}

Tests: