sealed-vs-not-sealed

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var sealed = Object.seal({
      x: undefined
    });
    var notsealed = {
      x: undefined
    };
};
</script>

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Testing in unknown unknown
Test Ops/sec
sealed
sealed.x = Math.random();
pending…
notsealed
notsealed.x = Math.random();
pending…

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