Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/106.0.5249.92 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 106

Operating system: iOS 16.0

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
JSON.parse	5808.5 Ops/sec
String.split	14885.7 Ops/sec

Script Preparation code:

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

Tests:

JSON.parse
JSON.parse(str);
String.split
str.split(',')

Run results for: JSON.parse vs string.split

JSON.parse

String.split