MeasureThat.net

Run results for: Return true vs empty body

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36
Chrome 53
Mac OS X 10.12.0
Other
8 years ago
Test name Executions per second
emptyFunc 9043710.0 Ops/sec
trueFunc 8971149.0 Ops/sec
undefinedFunc 3058764.2 Ops/sec
nullFunc 9285295.0 Ops/sec
notDefinedFunc 4881832.5 Ops/sec
definedFunc 3535127.2 Ops/sec
staticFunc 9332261.0 Ops/sec
Script Preparation code:
​x
 
var notDefined;
var defined = 1;
​
var emptyFunc = function() {};
var trueFunc = function() { return true; }
var undefinedFunc = function() { return undefined; }
var nullFunc = function() { return null; }
var notDefinedFunc = function() { return notDefined; }
var definedFunc = function() { return defined; }
var staticFunc = function() { return 1; }
Tests:

  • emptyFunc

     
    emptyFunc();

  • trueFunc

     
    trueFunc();

  • undefinedFunc

     
    undefinedFunc();

  • nullFunc

     
    nullFunc();

  • notDefinedFunc

     
    notDefinedFunc();

  • definedFunc

     
    definedFunc();

  • staticFunc

     
    staticFunc();