Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

String.split

14K/s

JSON.parse

9K/s

View exact numbers

Test name	Executions per second
✓ String.split	13,914 Ops/sec
JSON.parse	8,946 Ops/sec

Script Preparation code:

var array = new Array(5000).fill('1').map(() => Math.random().toString());
var str = JSON.stringify(array);

Tests: