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inArray()

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Apr 21st, 2017
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  1.     function inArray(needle, haystack) {
  2.     var length = haystack.length;
  3.     for(var i = 0; i < length; i++) {
  4.         if(haystack[i] == needle) return true;
  5.     }
  6.     return false;
  7. }
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