Run results for: string forEach addition assignment vs reduce template literal vs map join

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0

Browser: Firefox 103

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
map, join	1869.2 Ops/sec
forEach, addition assignment	2293.4 Ops/sec
reduce, template literal	2832.6 Ops/sec

Script Preparation code:

var values = [];
for (let i = 0; i < 10000; ++i) {
  values.push(i);
}

Tests:

map, join
let result1 = values.map(v => `x = ${v}`).join(' or ');
forEach, addition assignment
let result2 = '0=1'; values.forEach(v => result2 += ` or x = ${v}`);
reduce, template literal
const result3 = values.reduce((a,v)=> `${a} or x = ${v}`, '0=1');