diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 0000000..fbb5dc3
--- /dev/null
+++ 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/index.html b/index.html
new file mode 100644
index 0000000..13bbcd5
--- /dev/null
+++ b/index.html
@@ -0,0 +1,13 @@
+
+
+
+
+ Cifrado César
+
+
+
+
+
+
diff --git a/js/app.js b/js/app.js
new file mode 100644
index 0000000..503804a
--- /dev/null
+++ b/js/app.js
@@ -0,0 +1,30 @@
+// Primero creamos un string asignandole el nombre de abecedario->'alphabet'
+var alphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+// transformaremos el string en un array.
+var letter = alphabet.split('');
+var newLetter = '';
+
+// se creara una nueva variable "word" donde se ingresara la frase o palabra.
+do {
+ var word = prompt('Ingrese texto');
+} while (word.length === 0 || !isNaN(word))
+for (var i = 0;i < word.length;i++) {
+
+//word[i]- es el elemento de la posicion i
+//charAt(i).- es para sacar un carecter de la palabra ingresada.
+
+ num=(word.charAt(i)).charCodeAt();
+
+ position = letter.indexOf(word.charAt(i));
+ newposition=(position+num)%26;
+ newLetter+=letter[newposition-1];
+ }
+
+ //document.write(word[i]);
+ document.write(newLetter);
+ //document.write(letter) ;
+ function cipher(letter){
+ }
+ function decipher(num){
+
+ }