Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0

Browser: Chrome 129

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

String.split

7K/s

JSON.parse

4K/s

View exact numbers

Test name	Executions per second
✓ String.split	7,329 Ops/sec
JSON.parse	3,713 Ops/sec

Script Preparation code:

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

Tests: