Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36

Browser: Chrome 85

Operating system: Mac OS X 10.15.5

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
JSON.strigify	4632.6 Ops/sec
Array.join	7483.0 Ops/sec

Script Preparation code:

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

Tests: