Merge pull request #7 from javascript-tutorial/master

Repo Update

Author: aniketkudale

Diff for: 1-js/04-object-basics/01-object/article.md

@@ -1,7 +1,7 @@
 
 # Objects
 
-As we know from the chapter <info:types>, there are seven data types in JavaScript. Six of them are called "primitive", because their values contain only a single thing (be it a string or a number or whatever).
+As we know from the chapter <info:types>, there are eight data types in JavaScript. Seven of them are called "primitive", because their values contain only a single thing (be it a string or a number or whatever).
 
 In contrast, objects are used to store keyed collections of various data and more complex entities. In JavaScript, objects penetrate almost every aspect of the language. So we must understand them first before going in-depth anywhere else.
 

Diff for: 1-js/05-data-types/11-date/article.md

@@ -124,7 +124,7 @@ Besides the given methods, there are two special ones that do not have a UTC-var
 : Returns the timestamp for the date -- a number of milliseconds passed from the January 1st of 1970 UTC+0.
 
 [getTimezoneOffset()](mdn:js/Date/getTimezoneOffset)
-: Returns the difference between the local time zone and UTC, in minutes:
+: Returns the difference between UTC and the local time zone, in minutes:
 
     ```js run
     // if you are in timezone UTC-1, outputs 60

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

@@ -16,7 +16,7 @@ class Animal {
     this.name = name;
   }
   run(speed) {
-    this.speed += speed;
+    this.speed = speed;
     alert(`${this.name} runs with speed ${this.speed}.`);
   }
   stop() {
@@ -124,7 +124,7 @@ class Animal {
   }
 
   run(speed) {
-    this.speed += speed;
+    this.speed = speed;
     alert(`${this.name} runs with speed ${this.speed}.`);
   }