Benchmark: Array.reduce - MeasureThat.net

Script Preparation code:

const data = [];

for (let i = 0; i < 1000; i ++) {
  data.push([String(i), i]);
}

Tests:

reduce
const data = []; for (let i = 0; i < 1000; i ++) { data.push([String(i), i]); } data.reduce((p, c) => Object.assign(p, c), {});
foreach
const data = []; for (let i = 0; i < 1000; i ++) { data.push([String(i), i]); } const p = {}; data.forEach(c => { p[c[0]] = c[1]; });

Rendered benchmark preparation results:

Previous results

Test case name	Result
reduce
foreach

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Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.75 Safari/537.36

Browser/OS: Chrome 73 on Mac OS X 10.14.3

Test name	Executions per second
reduce	768.6 Ops/sec
foreach	3726.4 Ops/sec

Array.reduce (version: 0)