Exception performance

JavaScript performance comparison

Revision 8 of this test case created

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Testing exception .vs. normal flows in try-catch blocks

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Testing in unknown unknown
Test Ops/sec
Normal flow
return ['foo'] // Not thrown
pending…
Exception flow
try {
 throw new Error('foo'); // Thrown
} catch (e) {}
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Empty block
try {
 'foo'
} catch (e) {}
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Throw constant
try {
 throw 'foo'
} catch (e) {}
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Undefined Exception
try {
 undefined["doesn't exist"]; // Thrown
} catch (e) {}
pending…
No throw in try
try {
  return ['foo']; // Not Thrown
} catch (e) {}
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throw without catch
throw new Error('foo'); // Thrown
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throw without catch constant
throw 'foo'
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try/catch with an assignment
var s;
try {
   s = "ello, how you doing";
} catch (e) {}
pending…

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