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/132.0.0.0 Safari/537.36 Edg/132.0.0.0

Browser: Chrome 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

join

44/s

toString

39/s

stringify

19/s

View exact numbers

Test name	Executions per second
✓ join	44 Ops/sec
toString	39 Ops/sec
stringify	19 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();