Merge pull request #189 from javascript-tutorial/sync-97ef8624

Sync with upstream @ 97ef862

Author: pasor1

1-js/02-first-steps/14-switch/article.md

@@ -47,7 +47,7 @@ switch (a) {
     break;
 */!*
   case 5:
-    alert( 'Too large' );
+    alert( 'Too big' );
     break;
   default:
     alert( "I don't know such values" );

1-js/05-data-types/10-destructuring-assignment/6-max-salary/_js.view/solution.js

@@ -1,16 +1,14 @@
 function topSalary(salaries) {
 
-  let max = 0;
+  let maxSalary = 0;
   let maxName = null;
 
   for(const [name, salary] of Object.entries(salaries)) {
     if (max < salary) {
-      max = salary;
+      maxSalary = salary;
       maxName = name;
     }
   }
 
   return maxName;
-}
-
-
+}

1-js/09-classes/01-class/article.md

@@ -51,7 +51,6 @@ user.sayHi();
 ```
 
 Quando viene chiamato `new User("John")`:
-
 1. Viene creato un nuovo oggetto;
 2. Il metodo `constructor()` viene richiamato e assegna a `this.name` l'argomento dato.
 

1-js/09-classes/02-class-inheritance/article.md

@@ -53,7 +53,7 @@ rabbit.run(5); // White Rabbit runs with speed 5.
 rabbit.hide(); // White Rabbit hides!
 ```
 
-Ora il codice di `Rabbit` è diventato un po' più corto, dato che utilizza il costruttore di `Animal`, e può anche correre (usare il metodo `run`) come gli animali (animals).
+L'oggetto della classe `Rabbit` ha accesso sia ai metodi di `Rabbit` (ad esempio `rabbit.hide()`) che a quelli di `Animal` (`rabbit.run()`).
 
 Internamente, `extends` aggiunge da `Rabbit.prototype` un riferimento `[[Prototype]]` a `Animal.prototype`:
 

1-js/09-classes/07-mixins/article.md

@@ -69,7 +69,7 @@ let sayMixin = {
 };
 
 let sayHiMixin = {
-  __proto__: sayMixin, // (or we could use Object.create to set the prototype here)
+  __proto__: sayMixin, // (or we could use Object.setPrototypeOf to set the prototype here)
 
   sayHi() {
     *!*

9-regular-expressions/13-regexp-alternation/03-match-quoted-string/solution.md

@@ -3,7 +3,7 @@ The solution: `pattern:/"(\\.|[^"\\])*"/g`.
 Step by step:
 
 - First we look for an opening quote `pattern:"`
-- Then if we have a backslash `pattern:\\` (we technically have to double it in the pattern, because it is a special character, so that's a single backslash in fact), then any character is fine after it (a dot).
+- Then if we have a backslash `pattern:\\` (we have to double it in the pattern because it is a special character), then any character is fine after it (a dot).
 - Otherwise we take any character except a quote (that would mean the end of the string) and a backslash (to prevent lonely backslashes, the backslash is only used with some other symbol after it): `pattern:[^"\\]`
 - ...And so on till the closing quote.
 

9-regular-expressions/14-regexp-lookahead-lookbehind/1-find-non-negative-integers/solution.md

@@ -1,7 +1,7 @@
 
 The regexp for an integer number is `pattern:\d+`.
 
-We can exclude negatives by prepending it with the negative lookahead: `pattern:(?<!-)\d+`.
+We can exclude negatives by prepending it with the negative lookbehind: `pattern:(?<!-)\d+`.
 
 Although, if we try it now, we may notice one more "extra" result:
 

9-regular-expressions/14-regexp-lookahead-lookbehind/article.md

@@ -1,6 +1,6 @@
 # Lookahead and lookbehind
 
-Sometimes we need to find only those matches for a pattern that are followed or preceeded by another pattern.
+Sometimes we need to find only those matches for a pattern that are followed or preceded by another pattern.
 
 There's a special syntax for that, called "lookahead" and "lookbehind", together referred to as "lookaround".