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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Windows

Device Platform: Desktop

Date tested: 8 months ago

string sum

171K/s

using template literals

164K/s

concat

108K/s

join

74K/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}`; }
string sum
for (let i = 0; i < 80; ++i) { let result = id + ':' + i + ', ' + name + ':' + 'name' + i }