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Array/Object Detection

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Detect if an object exists in an array or detect existance of a key in an object

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  1. /*
  2.  Author: Francois Lafortune (@quickredfox)
  3.  License: WTFPL
  4.  Description: 
  5.  
  6.    Detect if an object exists in an array or detect existance of a key in an object
  7.  
  8.  Example:
  9.  (code)
  10.  
  11.      var myArray = [ 'red', 'green', 'blue' ]; 
  12.  
  13.      Detect.inArray( 'red' , myArray)   // true
  14.      Detect.inArray( 'brown' , myArray) // false
  15.  
  16.      var myObject = {color: 'blue' };
  17.      Detect.inObject('color',myObject) // true
  18.      Detect.inObject('taste',myObject) // false     
  19.  
  20.  (end)
  21. */
  22.  
  23. var Detect = (function() {
  24.     var Detect = {
  25.         inArray: function(key, array) {
  26.             return (key in array);
  27.         },
  28.         inObject: function(key, object) {
  29.             return (key.toString() in object)
  30.         }
  31.     }
  32.     return Detect;
  33. })();

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