$.extend deep copy vs JSON serialize/deserialize

JavaScript performance comparison

Test case created on 19th January 2013

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>

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Testing in unknown unknown
Test		Ops/sec
Extend	`var original = { "foo": "bar", "myArray": ["apples", "bananas", "oranges"], "motor": "cycle", "indigo": "scheduling", "something": "or another" }; var newCopy = $.extend(true, {}, original);`	pending…
JSON serialize	`var original = { "foo": "bar", "myArray": ["apples", "bananas", "oranges"], "motor": "cycle", "indigo": "scheduling", "something": "or another" }; var newCopy = JSON.parse(JSON.stringify(original))`	pending…
Extend without array	`var original = { "foo": "bar", "motor": "cycle", "indigo": "scheduling", "something": "or another" }; var newCopy = $.extend(true, {}, original);`	pending…
JSON without array	`var original = { "foo": "bar", "motor": "cycle", "indigo": "scheduling", "something": "or another" }; var newCopy = JSON.parse(JSON.stringify(original))`	pending…