Benchmark: String concatenation vs array join 2

Tests:

string concatention
let str = ""; const sArr = []; const limit = 10000; for (let i = 0; i < limit; i++) { str += "String concatenation. "; }
Array join
let str = ""; const sArr = []; const limit = 10000; for (let i = 0; i < limit; i++) { sArr[i] = "String concatenation. "; } str = sArr.join("");
Array join with push
let str = ""; const sArr = []; const limit = 10000; for (let i = 0; i < limit; i++) { sArr.push("String concatenation. "); } str = sArr.join("");

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 3 years ago)

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Browser/OS: Firefox 84 on Windows

String concatenation vs array join 2 (version: 0)