Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; ONEPLUS A6000) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.116 Mobile Safari/537.36 EdgA/46.04.4.5157

Browser: Chrome Mobile 77

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
JSON.parse	2153.2 Ops/sec
String.split	3009.1 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