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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:121.0) Gecko/20100101 Firefox/121.0

Browser: Firefox 121

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

using template literals

6.0M/s

concat

212K/s

join

93K/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}`; }