Run results for: Array literal vs. string#split()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array literal

500.4M/s

Array#split()

61.3M/s

View exact numbers

Test name	Executions per second
✓ Array literal	500,406,016 Ops/sec
Array#split()	61,304,516 Ops/sec

Tests:

Array literal
const x = ["nanosecond", "microsecond", "millisecond", "second", "minute", "hour"]; x[0].length;
Array#split()
const x = "nanosecond microsecond millisecond second minute hour".split(" "); x[0].length;