Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36

Browser: Chrome 91

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
JSON.parse	4336.3 Ops/sec
String.split	6437.5 Ops/sec

Script Preparation code:

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

Tests: