Run results for: Native JS: concatenate string with + vs template literals vs String.concat v2

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.5.1

Device Platform: Mobile

Date tested: 3 years ago

Script Preparation code:

var name = "name";
var id = "id";
var result = "";
var i = 0;

Tests:

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