var validate = (function() {  

​

  //Make these variables accessible to all functions inside validator

  var inputData, againstValue, attr, attrRule;  

​

  //Determine which message type should be used

  var validationMessage = {

    number: {

      //Generate the message for a specific attrRule

      greaterThan: function() {

        return inputData + ' is not greater than ' + againstValue;

      }

      /*

      lessThan: function() {

        return inputData + ' is not less than ' + againstValue;

      }

      //More messages here

      */

    }

  };  

​

  //Validation patterns

  //Passed-in data are compared against the desired value (againstValue)

  var validationDefinitions = {

    number: {

      greaterThan: function() {

        return inputData > againstValue;

      } 

      /*

      ,lessThan: function() {

        return inputData < againstValue;

      }

      //More rules here

      */

    }  

  };

​

  //Run the checks against the validation patterns

  var validationCheck = function(passedCheck) {

    //Only generate a message value was not validated

    if(!passedCheck) {

      return validationMessage[attr][attrRule]();

    }

  };

​

  //Starts off the validation

  return function() {

    var args = arguments;

    attr = args[1];

    attrRule = args[2];

    inputData = args[0];

    againstValue = args[3]; 

​

    //Kicks off the validation check with supplied data

    return validationCheck(validationDefinitions[attr][attrRule]());

  };  

})();

​

​

//Usage: validate(inputData, 'number', 'greaterThan', 5);

alert(validate(4, 'number', 'greaterThan', 5));

//Output: '4 is not greater than 5'

​