Run results for: Native JS: string plus VS template string!

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

using plus operator

42K/s

using template literals

41K/s

using concat function

41K/s

View exact numbers

Script Preparation code:

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

Tests:

using plus operator
let result; for (let i = 0; i < 80; ++i) { result += id + ": 1, " + name + ": someItem"; } console.log(result); return result.length;
using concat function
let result; for (let i = 0; i < 80; ++i) { result += "".concat(id, ": 1, ", name, ": someItem"); } console.log(result); return result.length;
using template literals
let result; for (let i = 0; i < 80; ++i) { result += `${id}: 1, ${name}: someItem`; } console.log(result); return result.length;