Optional Function Calling

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    function runaway() {}
};
</script>

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Testing in unknown unknown
Test Ops/sec
Check if function
if (typeof runaway === 'function') { runaway(); }
pending…
Check if exists
if (runaway) { runaway(); }
pending…
Run anonymous function
(runaway || Function)();
pending…

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