array join vs string connect

JavaScript performance comparison

Revision 21 of this test case created

Preparation code

Benchmark.prototype.setup = function() {
    var arr = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];

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Testing in unknown unknown
Test Ops/sec
array join
var output = arr.join("");
string connect
var output = "";
for (var i = 0, len = arr.length; i < len; i++) {
  output += arr[i];

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