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By: a guest on Aug 12th, 2012  |  syntax: None  |  size: 0.36 KB  |  hits: 11  |  expires: Never
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  1. measuring the memory usage, execution time, and performance of a JavaScript function
  2. function foo(){ var x = new Object();}
  3.        
  4. function bar(){var x = {};}
  5.        
  6. var start = new Date().getTime();
  7. *Your Code*
  8. var end = new Date().getTime(),
  9.     time = end - start,
  10.     execs = 1000 / time;
  11.  
  12. console.log('time in ms: '+time);
  13. console.log('operations per second: '+execs);
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