Run results for: testing ternary vs &&

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
spread ternary	23979560.0 Ops/sec
spread &&	25685500.0 Ops/sec

Script Preparation code:

function translateBySpread (a) {
  const b = {
    ...(a.id && { id: a.id }),
    ...(a.foo && { foo: a.foo})
  }
  return b;
}

function translateByTernary (a) {
  const b = {
    ...(a.id ? { id: a.id } : {}),
    ...(a.foo ? { foo: a.foo} : {})
  }
  return b;
}

Tests:

spread ternary
translateByTernary({ id: '12345', type: 'article' });
spread &&
translateBySpread({ id: '12345', type: 'article' });

Run results for: testing ternary vs &&

spread ternary

spread &&