javascript-tutorial · joaquinelio · Jul 9, 2020 · Jun 29, 2020 · Jul 1, 2020 · Jul 1, 2020
diff --git a/1-js/11-async/02-promise-basics/01-re-resolve/solution.md b/1-js/11-async/02-promise-basics/01-re-resolve/solution.md
@@ -1,3 +1,3 @@
-The output is: `1`.
+La salida es: `1`.
 
-The second call to `resolve` is ignored, because only the first call of `reject/resolve` is taken into account. Further calls are ignored.
+La segunda llamada a 'resolve' se ignora, porque solo se tiene en cuenta la primera llamada de 'reject/resolve'. Otras llamadas son ignoradas.
diff --git a/1-js/11-async/02-promise-basics/01-re-resolve/task.md b/1-js/11-async/02-promise-basics/01-re-resolve/task.md
@@ -1,8 +1,8 @@
 
-# Re-resolve a promise?
+# ¿Volver a resolver una promesa?
 
 
-What's the output of the code below? 
+¿Cuál es el resultado del código a continuación?
 
 ```js
 let promise = new Promise(function(resolve, reject) {

diff --git a/1-js/11-async/02-promise-basics/02-delay-promise/task.md b/1-js/11-async/02-promise-basics/02-delay-promise/task.md
@@ -1,14 +1,14 @@
 
-# Delay with a promise
+# Demora con una promesa
 
-The built-in function `setTimeout` uses callbacks. Create a promise-based alternative.
+La función incorporada `setTimeout` utiliza callbacks. Crea una alternativa basada en promesas.
 
-The function `delay(ms)` should return a promise. That promise should resolve after `ms` milliseconds, so that we can add `.then` to it, like this:
+La función `delay(ms)` debería devolver una promesa. Esa promesa debería resolverse después de `ms` milisegundos, para que podamos agregarle `.then`, así:
 
 ```js
 function delay(ms) {
-  // your code
+  // tu código
 }
 
-delay(3000).then(() => alert('runs after 3 seconds'));
+delay(3000).then(() => alert('se ejecuta despues de 3 segundos'));
 ```
diff --git a/1-js/11-async/02-promise-basics/03-animate-circle-promise/solution.view/index.html b/1-js/11-async/02-promise-basics/03-animate-circle-promise/solution.view/index.html
@@ -22,14 +22,14 @@
 
 <body>
 
-  <button onclick="go()">Click me</button>
+  <button onclick="go()">Haz clic</button>
 
   <script>
 
   function go() {
     showCircle(150, 150, 100).then(div => {
       div.classList.add('message-ball');
-      div.append("Hello, world!");
+      div.append("Hola, mundo!");
     });
   }
 

diff --git a/1-js/11-async/02-promise-basics/03-animate-circle-promise/task.md b/1-js/11-async/02-promise-basics/03-animate-circle-promise/task.md
@@ -1,15 +1,15 @@
 
-# Animated circle with promise
+# Círculo animado con promesa
 
-Rewrite the `showCircle` function in the solution of the task <info:task/animate-circle-callback> so that it returns a promise instead of accepting a callback.
+Vuelva a escribir la función `showCircle` en la solución de la tarea <info:task/animate-circle-callback> para que devuelva una promesa en lugar de aceptar un callback.
 
-The new usage:
+Nueva forma de uso:
 
 ```js
 showCircle(150, 150, 100).then(div => {
   div.classList.add('message-ball');
-  div.append("Hello, world!");
+  div.append("Hola, mundo!");
 });
 ```
 
-Take the solution of the task <info:task/animate-circle-callback> as the base.
+Tome la solución de la tarea <info:task/animate-circle-callback> como base.
diff --git a/1-js/11-async/02-promise-basics/article.md b/1-js/11-async/02-promise-basics/article.md
diff --git a/1-js/11-async/02-promise-basics/head.html b/1-js/11-async/02-promise-basics/head.html
@@ -5,7 +5,7 @@
     script.src = src;
 
     script.onload = () => resolve(script);
-    script.onerror = () => reject(new Error("Script load error: " + src));
+    script.onerror = () => reject(new Error("Error de carga de script: " + src));
 
     document.head.append(script);
   });