Run results for: reduce vs for-loop for typeAttributes

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36

Browser: Chrome 147

Operating system: Windows

Device Platform: Desktop

Date tested: 19 days ago

Test name	Executions per second
reduce	581104.5 Ops/sec
for-loop	545714.7 Ops/sec

Script Preparation code:

function getTypeAttributes() {
	return [
      'a',
      'b',
      'c',
      'd',
      'e',
      'f',
      'g',
      'h',
      'i',
      'j',
      'k',
      'l',
      'm',
      'n',
      'o',
      'p',
      'q',
      'r',
      's',
      't',
      'u',
      'v',
      'w',
      'x',
      'y',
      'z',
	];
}

const o = {};
for (let i = 0, { length } = getTypeAttributes(); i < length; i += 1) {
  o[`typeAttribute${i}`] = `${i}`;
}

function typeAttributesWithReduce() {
  const typeAttributes = getTypeAttributes();
  if (Array.isArray(typeAttributes)) {
    return typeAttributes.reduce((seed, attrName, index) => {
      seed[attrName] = o[`typeAttribute${index}`];
      return seed;
    }, {});
  }
  return {};
}
  
function typeAttributesWithForLoop() {
  const typeAttributes = getTypeAttributes();
  const attrs = {};
  if (Array.isArray(typeAttributes)) {
    for (let i = 0, { length } = typeAttributes; i < length; i += 1) {
      attrs[typeAttributes[i]] = o[`typeAttribute${i}`];
    }
  }
  return attrs;
}

Tests:

reduce
typeAttributesWithReduce();
for-loop
typeAttributesWithForLoop();