Initial Commit

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next

LICENSE

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+MIT License
+
+Copyright (c) 2019 Comunidad Platzi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

PULL_REQUEST_TEMPLATE.md

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+## DESCRIPTION
+
+Nombre:
+Usuario Platzi:
+
+## Ciudad
+- [ ] Ciudad de México
+- [ ] Bogotá
+
+# Retos:
+  - [ ] Primer problema
+  - [ ] Segundo problema
+  - [ ] Tercer problema

README.md

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+# escuelajs-reto-03
+Reto 3 Septiembre 14: Curso de Fundamentos de JavaScript
+
+# Instalación
+
+```
+npm install
+```
+# Ejecución
+
+```
+npm run start
+```
+
+### Primer problema
+La aplicación tiene errores que no permiten ejecutarla, lee detenidamente el código y determina dónde se encuentran al ejecutarlo en la consola.
+
+### Segundo Problema
+Una vez que tu aplicación ya esté funcionando convierte el código a ECMAScript 6 (ES6)
+* Arrow Functions
+* Template Strings
+
+### Tercer Problema
+Transforma el código escrito en ECMAScript6(ES6) para que funcione con promesas y así evitar el Callback Hell del final.
+
+# Contributing
+If someone wants to add or improve something, I invite you to collaborate directly in this repository: [escuelajs-reto-03](https://github.com/platzi/escuelajs-reto-03/)
+
+# License
+escuelajs-reto-03 is released under the [MIT License](https://opensource.org/licenses/MIT).

package.json

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+{
+  "name": "escuelajs-reto-03",
+  "version": "1.0.0",
+  "description": "Reto 3 Septiembre 14: Curso de Fundamentos de JavaScript",
+  "main": "index.js",
+  "scripts": {
+    "start": "node src/index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/platzi/escuelajs-reto-03.git"
+  },
+  "keywords": [
+    "javascript",
+    "escuelajs",
+    "node"
+  ],
+  "author": "Oscar Barajas <[email protected]>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/platzi/escuelajs-reto-03/issues"
+  },
+  "homepage": "https://github.com/platzi/escuelajs-reto-03#readme",
+  "dependencies": {
+    "xmlhttprequest": "^1.8.0"
+  }
+}

src/index.js

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+var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
+
+var API = 'https://rickandmortyapi.com/api/character/';
+var xhttp = new XMLHttpRequest();
+
+function fetchData(url_api, callback) {
+  xhttp.onreadystatechange = function (event) {
+    if (xhttp.readyState === '4') {
+      if (xhttp.status == 200)
+        callback(null, xhttp.responseText);
+      else return callback(url_api);
+    }
+  };
+  xhttp.open('GET', url_api, false);
+  xhttp.send();
+};
+
+fetchData(API, function (error1, data1) {
+  if (error1) return console.error('Error' + ' ' + error1);
+  console.log('Primer Llamado...')
+  fetchData(API + data1.results[0].id, function (error2, data2) {
+    if (error2) return console.error(error1);
+    console.log('Segundo Llamado...')
+    fetchData(data2.origin.url, function (error3, data3) {
+      if (error3) return console.error(error3);
+      console.log('Tercero Llamado...')
+      console.log('Personajes:' + ' ' + data1.info.count);
+      console.log('Primer Personaje:' + ' ' + data2.name);
+      console.log('Dimensión:' + ' ' + data3.dimension);
+    });
+  });
+});