amirping
12/2/2017 - 2:15 AM

Cesar Cryptot

Cesar Cryptot

main.js
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// Code goes here
angular.module('app', [])
  .controller('main', function($scope) {
    $scope.indata = "abc";
    $scope.outdata = "";
    $scope.shift = 1;
    $scope.crypte = function() {
      $scope.outdata = caesarShift($scope.indata,parseInt($scope.shift));
    }
    var caesarShift = function(str, amount) {

      // Wrap the amount
      if (amount < 0)
        return caesarShift(str, amount + 26);

      // Make an output variable
      var output = '';

      // Go through each character
      for (var i = 0; i < str.length; i++) {

        // Get the character we'll be appending
        var c = str[i];

        // If it's a letter...
        if (c.match(/[a-z]/i)) {

          // Get its code
          var code = str.charCodeAt(i);

          // Uppercase letters
          if ((code >= 65) && (code <= 90))
            c = String.fromCharCode(((code - 65 + amount) % 26) + 65);

          // Lowercase letters
          else if ((code >= 97) && (code <= 122))
            c = String.fromCharCode(((code - 97 + amount) % 26) + 97);

        }

        // Append
        output += c;

      }

      // All done!
      return output;

    };
  });
index.html
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<!DOCTYPE html>
<html ng-app="app">

  <head>
    
    <link rel="stylesheet" href="style.css" />
    
  </head>

  <body ng-controller="main">
    <h1>Hello Plunker!</h1>
    <textarea ng-model="indata"></textarea>
    <input type="text" ng-model="shift" value="0">
    <button ng-click="crypte()">crypte</button>
    <textarea ng-model="outdata"></textarea>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.6/angular.min.js"></script>
    <script src="script.js"></script>
  </body>

</html>