Benchmark: String concatenation vs array join 100000

Script Preparation code:

var str = "";
var i;
var sArr = [];

Tests:

String concatentation
for (i = 100000; i > 0; i--) { str += "String concatenation. "; }
Array join
for (i = 100000; i > 0; i--) { sArr[i] = "String concatenation. "; } str = sArr.join("");
Array join (w/ push)
for (i = 100000; i > 0; 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: 10 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser/OS: Chrome 114 on Mac OS X 10.15.7

String concatenation vs array join 100000 (version: 0)