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Testing performance of parsing json from data attributes

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="single" data-json='{"a":"a","b":"b","c":"c"}'>
</div>
<div id="double" data-json="{'a':'a','b':'b','c':'c'}">
</div>
<div id="split" data-split="a|b|c|d|e">
</div>
<script>
  Benchmark.prototype.setup = function() {
    var $single = $('#single'),
        $double = $('#double'),
        $split  = $('#split')
  };
</script>

Preparation code output

Test runner

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$single.data('json').c;

$.parseJSON($single.attr('data-json')).c;

$.parseJSON($double.attr('data-json').replace(/'/g, '"')).c;

$split.data('split').split('|')[2]

$split.attr('data-split').split('|')[2]

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