Arrays with DOMElements vs arrays with other objects

JavaScript performance comparison

Test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script>
  var hardHTML = '';
  var softcore = [];

  for (var i = 0; i < 10000; i++) {
    hardHTML += '<div class="foo" />';
    softcore.push('<div class="foo" />');
  }

  $('body').append(hardHTML);

  var hardcore = $('.foo');
</script>
    

Preparation code output

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Array of DOM elements
for (var i = 0; i < hardcore.lenght; i++) {
  console.log(i);
}
pending…
Array of strings
for (var i = 0; i < softcore.lenght; i++) {
  console.log(i);
}
pending…

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