Run results for: split() vs Array.from() vs push()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

split()

66.2M/s

push -> for

38.9M/s

push() -> for of

31.6M/s

Array.from()

6.9M/s

View exact numbers

Tests:

split()
let arr = "abcdef".split("");
Array.from()
let arr = Array.from("abcdef");
push() -> for of
let arr = []; for(let e of "abcdef") arr.push(e);
push -> for
let s = "abcdef"; let arr = []; for(let i = 0; i<s.length - 1; i++) arr.push(s[i]);