Run results for: stringify vs join vs tostring

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 YaBrowser/23.1.1.1114 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
stringify	9.5 Ops/sec
join	20.4 Ops/sec
toString	16.0 Ops/sec

Script Preparation code:

var arr_small = Array.from({ length: 1000 }).map((_, i) => `test_val${i}`);
var arr_big = Array.from({ length: 1000000 }).map((_, i) => `test_val${i}`);

Tests:

stringify
JSON.stringify(arr_small); JSON.stringify(arr_big);
join
arr_small.join(''); arr_big.join('');
toString
arr_small.toString(); arr_big.toString();

Run results for: stringify vs join vs tostring

stringify

join

toString