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/101.0.4951.67 Safari/537.36 OPR/87.0.4390.36

Browser: Opera 87

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
JSON.parse	1960.2 Ops/sec
String.split	3639.4 Ops/sec

Script Preparation code:

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

Tests: