Run results for: join vs reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0

Browser: Firefox 152

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 months ago

Benchmark engine: Benchmark.js

join

145K/s

reduce

75K/s

View exact numbers

Test name	Executions per second
✓ join	144,827 Ops/sec
reduce	74,536 Ops/sec

Script Preparation code:

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

Tests:

reduce
let ret = strings.reduce((acc, currentValue) => { if (currentValue) { acc += `${currentValue};`; } return acc; }, "");
join
let ret = strings.join(";")