setAttribute-loop

JavaScript performance comparison

Test case created by everywhile

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var element = document.createElement("div")
      , attrs = { id: '123', className: 'bacon' }
};
</script>

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Testing in unknown unknown
Test Ops/sec
while
var keys = Object.keys(attrs), key
while (key = keys.pop()) element.setAttribute(key, attrs[key])
pending…
for
for (var i = 0, keys = Object.keys(attrs); i++ < keys.length;
  element.setAttribute(keys[i], attrs[keys[i]])
);
pending…

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