Run results for: JSON.parse vs string.split small array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

String.split

7.8M/s

JSON.parse

5.1M/s

View exact numbers

Test name	Executions per second
✓ String.split	7,842,466 Ops/sec
JSON.parse	5,100,200 Ops/sec

Script Preparation code:

var array = new Array(3).fill('1').map(() => Math.random().toString());
var str = JSON.stringify(array);

Tests: