Array toString vs join

JavaScript performance comparison

Test case created by ju1ius

Preparation code

<script>
var TESTS = [
    ['C','Db','E','F','G','Ab','Bb'],
    ['E','F#','G','A','Bb','C','Db','D#'],
    ['F','G','Ab','B','C','D','E'],
    ['Ab','Bb','C','D','Eb','F#','G'],
];
</script>

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Testing in unknown unknown
Test Ops/sec
Array.prototype.toString
var results = [];
TESTS.forEach(function(scale) {
  results.push(scale.toString());
});
pending…
join
var results = [];
TESTS.forEach(function(scale) {
  results.push(scale.join(','));
});
pending…

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