npx eslint --fix

tutorials/delay.js

@@ -3,10 +3,10 @@
     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:
 */
 
-function delay(ms){
-    return new Promise(resolve => {
-        setTimeout(resolve, ms);
-    });
+function delay (ms) {
+  return new Promise(resolve => {
+    setTimeout(resolve, ms);
+  });
 }
 
-delay(1000).then(() => console.log("Hello world!"));
+delay(1000).then(() => console.log('Hello world!'));