Run results for: JSON.parse vs string.split

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3883.400 QQBrowser/10.8.4559.400

Browser: QQ Browser 10

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
JSON.parse	943.3 Ops/sec
String.split	2494.7 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