Laboratoria-learning · EstrellaBF · Nov 7, 2017 · Nov 15, 2017 · Feb 4, 2018 · Feb 5, 2018
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/ASSETS/DOCS/diagramadeFlujo.jpg b/ASSETS/DOCS/diagramadeFlujo.jpg
diff --git a/JS/app.js b/JS/app.js
@@ -0,0 +1,64 @@
+let phrase = prompt('Write here');
+let phraseArr = phrase.split('');
+// console.log(Array.isArray(phraseArr)); // ["abc"]
+
+const cipher = word => {
+  // debugger;
+  // Verificando si es una palabra y diferente de vacia además de que no tenga espacios.
+  if (Number.isNaN(parseInt(word)) && word !== '') {
+    let strCipher = '';
+    let positionOfLetter;
+    // En lugar de for se usará filter para recorrer la frase palabra por palabra
+    let positionPhraseLetter = phraseArr.filter((position) => { // Iteración de las palabras de phrase
+      positionOfLetter = phraseArr.indexOf(position);
+      // console.log(positionOfLetter); // retorna su posición
+      // // regresa el codigo en número ascii
+      let letter = word.charCodeAt(positionOfLetter);
+      // console.log(letter); // retorna su codigo ascii
+      // para mayúsculas
+      if (letter >= 65 && letter <= 90) {
+        let num = (letter - 65 + 33) % 26 + 65;
+        console.log(num);
+        strCipher += String.fromCharCode(num);
+        console.log(strCipher);
+        // para minúsculas
+      } else if (letter >= 97 && letter <= 122) {
+        // usando fórmula  
+        let num2 = (letter - 97 + 33) % 26 + 97;
+        // num a string
+        strCipher += String.fromCharCode(num2);
+        console.log(strCipher);
+      }
+    });
+    console.log(positionOfLetter);
+    return alert(`Your cipher number is ${strCipher}`);
+  } else {
+    alert('Write Again, please.');
+  }
+};
+cipher(phrase);
+
+
+const decipher = word => {
+  if (Number.isNaN(parseInt(word)) && word !== '') {
+    let strDecipher = '';
+    let positionOfLetter;
+    let positionPhraseLetter = phraseArr.filter((position) => {
+      positionOfLetter = phraseArr.indexOf(position);
+      let letter = word.charCodeAt(positionOfLetter);
+      if (65 <= letter && letter <= 90) {
+        // añadir la formula y almaceno en num   
+        let num = (letter - 65 + 26) % 26 + 65;
+        strDecipher += String.fromCharCode(num);
+      } else if (97 <= letter && letter <= 122) {
+        let num2 = (letter - 97 + 26) % 26 + 97;
+        strDecipher += String.fromCharCode(num2);
+      }
+    });
+    return alert(`Your decipher number is ${strDecipher}`);
+  }
+  // else {
+  //   alert('Write Again, please.');
+  // }
+};
+decipher(phrase);
diff --git a/index.html b/index.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+ <head>
+   <meta charset="utf-8">
+   <title>Cifrado César</title>
+ </head>
+ <body>
+   <h1>Coding and Decoding</h1>
+   <p>Write a word, and we show you the same word coded and decoded.</p>
+   <script type="text/javascript" src="js/app.js"></script>
+ </body>
+</html>