Laboratoria-learning · mirelatv · Nov 7, 2017
diff --git a/.eslintrc b/.eslintrc
@@ -0,0 +1,29 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 6
+  },
+  "rules": {
+    "keyword-spacing": 1,
+    "space-before-function-paren": [1, "never"],
+    "eqeqeq": 1,
+    "space-infix-ops": 1,
+    "comma-spacing": 1,
+    "brace-style": 1,
+    "no-multiple-empty-lines": 1,
+    "camelcase": 1,
+    "func-call-spacing": 1,
+    "key-spacing": 1,
+    "semi": 1,
+    "no-floating-decimal": 1,
+    "no-multi-spaces": 1,
+    "object-property-newline": 1,
+    "padded-blocks": [1, "never"],
+    "space-before-blocks": 1,
+    "space-in-parens": 1,
+    "spaced-comment": 1,
+    "quotes": [1, "single"],
+    "id-length": [1, { "exceptions": ["i", "j", "x"] }],
+    "indent": [1, 2],
+    "no-array-constructor": 1
+  }
+}
diff --git a/README.md b/README.md
diff --git a/index.html b/index.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>CIPHER AND DECIPHER</title>
+  </head>
+  <body>
+    <h1>Cifrado Cesar</h1>
+  <script type="text/javascript" src ="js/app.js">
+
+  </script>
+  </body>
+</html>
diff --git a/js/app.js b/js/app.js
@@ -0,0 +1,42 @@
+/* creando funcion Cipher y consultando  al usuario*/
+function cipher() {
+  var question = prompt('Escribe tu nombre');
+  /* creando bucle para que en caso de que el usuario no ingrese informacion   se le solicite hacerlo*/
+  while (question === '') {
+    question = prompt('escribe algo');
+  }
+  /* recorriendo frase del usuario */
+  for (var i = 0; i < question.length; i++) {
+    /* de encontrar cifra numerica o un vacio solicitamos nueva informacion*/
+    while (parseInt(question[i]) % 1 === 0) {
+      question = prompt('No coloques numero');
+      while (question === '') {
+        question = prompt('escribe algo');
+      }
+    }
+  }
+  /* cifrando(primero convertir a mayusculas y aplicar cifrado)*/
+  var questionMayus = question.toUpperCase();
+  var str = '';
+  for (var j = 0; j < questionMayus.length; j++) {
+    var newPosition = (questionMayus.charCodeAt(j) - 65 + 33) % 26 + 65;
+    var letterCifher = String.fromCharCode(newPosition);
+    str += letterCifher;
+  }
+  return str;
+}
+/*  creando funcion de decifrado*/
+function decipher(str) {
+/* asignamos una variable , la cual  almacenará la palabra decifrada*/
+  var decipherWord = '';
+  /* recorriendo el array cifrado y ejecutando formula*/
+  for (var ij = 0; ij < str.length; ij++) {
+    var retroPosition = (str.charCodeAt(ij) + 65 - 33) % 26 + 65;
+    var letterCesar = String.fromCharCode(retroPosition);
+    decipherWord += letterCesar;
+  }
+  alert('tu nombre cifrado es' + ' ' + str);
+  alert('tu nombre decifrado es' + ' ' + decipherWord);
+}
+
+decipher(cipher());