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Simple getter and setter method depending on number of arguments

/ Published in: JavaScript
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This example can be extended to include a more general object. here I get or set a single value

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  1. var value = false;
  2.  
  3. function gettersetter(bool){
  4.         // _args = array with function arguments
  5.         var _args = Array.prototype.slice.call(arguments);
  6.         if(_args.length == 0){
  7.             // if no arguments -> define get method
  8.             return value;
  9.         } else if(_args.length > 0){
  10.             value = bool;
  11.         }
  12.     }
  13.  
  14. How to use it:
  15. // getter
  16. var newValue = gettersetter();
  17. // setter
  18. gettersetter(true);

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