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Run results for: String() vs .toString() vs template string vs concat with string

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
String() 62192.8 Ops/sec
.toString() 429300.5 Ops/sec
template string 404903.4 Ops/sec
concat with string 371260.8 Ops/sec
Tests:

  • String()

    AخA
     
    let nums = [];
    for(let i = 0; i < 100; ++i) {
      nums.push(String(i));
    }

  • .toString()

     
    let nums = [];
    for(let i = 0; i < 100; ++i) {
      nums.push(i.toString());
    }

  • template string

     
    let nums = [];
    for(let i = 0; i < 100; ++i) {
      nums.push(`${i}`);
    }

  • concat with string

     
    let nums = [];
    for(let i = 0; i < 100; ++i) {
      nums.push(i + "");
    }