Run results for: findIndex vs for-of

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36

Browser: Chrome 73

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
for-of	152300416.0 Ops/sec
findIndex	167290240.0 Ops/sec

Tests:

for-of
const array = [1, 4, 6, 7]; let found; for (const item of array) { if (item === 6) { found = item; break; } }
findIndex
const array = [1, 4, 6, 7]; let found; const index = array.findIndex(item => item === 6); if (index !== -1) { found = array[index]; }