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

find best solution for concatenate 4 strings

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Windows
Desktop
22 days ago
Test name Executions per second
using plus operator 87032.7 Ops/sec
using concat function 1674.7 Ops/sec
using template literals 3436.4 Ops/sec
Script Preparation code:
AخA
 
const count = 10000;
Tests:

  • using plus operator

     
    for (let i = 0; i < count; ++i) {
      let result = i
      result += 'px';
    }

  • using concat function

     
    for (let i = 0; i < count; ++i) {
      let result = i
      result = ''.concat(result, 'px');
    }

  • using template literals

     
    for (let i = 0; i < count; ++i) {
      let result = i
      result = `${result}px`;
    }