localStorage vs. Objects vs. Cookies

JavaScript performance comparison

Revision 17 of this test case created

Info

Tests the difference between reading from localStorage as compared to reading data from an object as opposed to reading from cookies.

Preparation code

<script>
 
  document.cookie = escape('test }');

</script>

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Testing in unknown unknown
Test Ops/sec
Reading from an object
alert(unescape(document.cookie));
pending…
Reading from localStorage getItem
value = localStorage.getItem('foo');
pending…
Reading from localStorage index
value = localStorage['foo'];
pending…
Reading from localStorage property
value = localStorage.foo
pending…
Reading from sessionStorage
value = sessionStorage.foo
pending…

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