Run results for: Native JS: Array.join strings vs template literals vs String.concat

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 136

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

using template literals

52K/s

concat

28K/s

join

23K/s

View exact numbers

Script Preparation code:

var name = "name";
var id = "id";

Tests:

join
for (let i = 0; i < 80; ++i) { let result = [id, ':', i, ', ', name, ':', 'name', i].join(); }
concat
for (let i = 0; i < 80; ++i) { let result = "".concat(id, ':', i, ', ', name, ':', 'name', i); }
using template literals
for (let i = 0; i < 80; ++i) { let result = `${id}:${i}, ${name}:name${i}`; }