Try/Catch Error Perf

JavaScript performance comparison

Revision 58 of this test case created

Preparation code

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

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Testing in unknown unknown
Test Ops/sec
Try Catch
try {
     return undef.prop;
} catch (ex) {
     return null;
}
pending…
If Check
if (undef !== undefined) {
      return undef.prop;
} else {
      return null;
}
pending…
Logic Testing
return (undef && undef.prop) || null;
pending…
Conditional Operator
return undef?undef.prop:null;
pending…

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1 comment

crispy commented :

If you going to use these snippets in your own code, beware: the logic test code doesn't return undef.prop in case it exists and is falsy.

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