Merge pull request #2 from javascript-tutorial/sync-19223ae7

Sync with upstream @ 19223ae

Author: sahinyanlik

1-js/01-getting-started/1-intro/article.md

@@ -45,7 +45,7 @@ The engine applies optimizations at each step of the process. It even watches th
 
 Modern JavaScript is a "safe" programming language. It does not provide low-level access to memory or CPU, because it was initially created for browsers which do not require it.
 
-Javascript's capabilities greatly depend on the environment it's running in. For instance, [Node.JS](https://wikipedia.org/wiki/Node.js) supports functions that allow JavaScript to read/write arbitrary files, perform network requests, etc.
+JavaScript's capabilities greatly depend on the environment it's running in. For instance, [Node.js](https://wikipedia.org/wiki/Node.js) supports functions that allow JavaScript to read/write arbitrary files, perform network requests, etc.
 
 In-browser JavaScript can do everything related to webpage manipulation, interaction with the user, and the webserver.
 
@@ -88,7 +88,7 @@ There are at least *three* great things about JavaScript:
 + Simple things are done simply.
 + Support by all major browsers and enabled by default.
 ```
-Javascript is the only browser technology that combines these three things.
+JavaScript is the only browser technology that combines these three things.
 
 That's what makes JavaScript unique. That's why it's the most widespread tool for creating browser interfaces.
 

1-js/01-getting-started/3-devtools/article.md

@@ -54,7 +54,7 @@ Now `key:Cmd+Opt+C` can toggle the console. Also, note that the new top menu ite
 
 Usually, when we put a line of code into the console, and then press `key:Enter`, it executes.
 
-To insert multiple line, press `key:Shift+Enter`.
+To insert multiple lines, press `key:Shift+Enter`.
 
 ## Summary
 

1-js/02-first-steps/01-hello-world/article.md

@@ -1,10 +1,10 @@
 # Hello, world!
 
-The tutorial that you're reading is about core JavaScript, which is platform-independent. Later on, you'll learn about Node.JS and other platforms that use it.
+The tutorial that you're reading is about core JavaScript, which is platform-independent. Later on, you'll learn about Node.js and other platforms that use it.
 
-But we need a working environment to run our scripts and, since this book is online, the browser is a good choice. We'll keep the amount of browser-specific commands (like `alert`) to a minimum so that you don't spend time on them if you plan to concentrate on another environment (like Node.JS). We'll focus on JavaScript in the browser in the [next part](/ui) of the tutorial.
+But we need a working environment to run our scripts and, since this book is online, the browser is a good choice. We'll keep the amount of browser-specific commands (like `alert`) to a minimum so that you don't spend time on them if you plan to concentrate on another environment (like Node.js). We'll focus on JavaScript in the browser in the [next part](/ui) of the tutorial.
 
-So first, let's see how we attach a script to a webpage. For server-side environments (like Node.JS), you can execute the script with a command like `"node my.js"`.
+So first, let's see how we attach a script to a webpage. For server-side environments (like Node.js), you can execute the script with a command like `"node my.js"`.
 
 
 ## The "script" tag

1-js/02-first-steps/04-variables/article.md

@@ -157,7 +157,7 @@ let userName;
 let test123;
 ```
 
-When the name contains multiple words, [camelCase](https://en.wikipedia.org/wiki/CamelCase) is commonly used. That is: words go one after another, each word starting with a capital letter: `myVeryLongName`.
+When the name contains multiple words, [camelCase](https://en.wikipedia.org/wiki/CamelCase) is commonly used. That is: words go one after another, each word except first starting with a capital letter: `myVeryLongName`.
 
 What's interesting -- the dollar sign `'$'` and the underscore `'_'` can also be used in names. They are regular symbols, just like letters, without any special meaning.
 

1-js/02-first-steps/06-type-conversions/article.md

@@ -1,6 +1,6 @@
 # Type Conversions
 
-Most of the time, operators and functions automatically convert the values given to them to the right type. This is called "type conversion".
+Most of the time, operators and functions automatically convert the values given to them to the right type. 
 
 For example, `alert` automatically converts any value to a string to show it. Mathematical operations convert values to numbers.
 

1-js/02-first-steps/14-function-basics/article.md

@@ -382,7 +382,7 @@ These examples assume common meanings of prefixes. What they mean for you is det
 ```smart header="Ultrashort function names"
 Functions that are used *very often* sometimes have ultrashort names.
 
-For example, the [jQuery](http://jquery.com) framework defines a function with `$`. The [LoDash](http://lodash.com/) library has its core function named `_`.
+For example, the [jQuery](http://jquery.com) framework defines a function with `$`. The [Lodash](http://lodash.com/) library has its core function named `_`.
 
 These are exceptions. Generally functions names should be concise and descriptive.
 ```

1-js/03-code-quality/02-coding-style/article.md

@@ -287,7 +287,7 @@ Most linters are integrated with many popular editors: just enable the plugin in
 
 For instance, for ESLint you should do the following:
 
-1. Install [Node.JS](https://nodejs.org/).
+1. Install [Node.js](https://nodejs.org/).
 2. Install ESLint with the command `npm install -g eslint` (npm is a JavaScript package installer).
 3. Create a config file named `.eslintrc` in the root of your JavaScript project (in the folder that contains all your files).
 4. Install/enable the plugin for your editor that integrates with ESLint. The majority of editors have one.

1-js/05-data-types/01-primitives-methods/article.md

@@ -48,7 +48,7 @@ The solution looks a little bit awkward, but here it is:
 
 1. Primitives are still primitive. A single value, as desired.
 2. The language allows access to methods and properties of strings, numbers, booleans and symbols.
-3. When this happens, a special "object wrapper" is created that provides the extra functionality, and then is destroyed.
+3. When this happens, a special "object wrapper" that provides the extra functionality is created, and then is destroyed.
 
 The "object wrappers" are different for each primitive type and are called: `String`, `Number`, `Boolean` and `Symbol`. Thus, they provide different sets of methods.
 

1-js/05-data-types/02-number/9-random-int-min-max/task.md

@@ -12,9 +12,9 @@ Any number from the interval `min..max` must appear with the same probability.
 Examples of its work:
 
 ```js
-alert( random(1, 5) ); // 1
-alert( random(1, 5) ); // 3
-alert( random(1, 5) ); // 5
+alert( randomInteger(1, 5) ); // 1
+alert( randomInteger(1, 5) ); // 3
+alert( randomInteger(1, 5) ); // 5
 ```
 
 You can use the solution of the [previous task](info:task/random-min-max) as the base.

1-js/05-data-types/04-array/10-maximal-subarray/solution.md

@@ -29,8 +29,8 @@ For instance, for `[-1, 2, 3, -9, 11]`:
 -9
 -9 + 11
 
-// Starting from -11
--11
+// Starting from 11
+11
 ```
 
 The code is actually a nested loop: the external loop over array elements, and the internal counts subsums starting with the current element.