Updates to JavaScript/Intro-js

javascript/javascript-core/intro-js/console-in-javascript.md

@@ -35,7 +35,7 @@ console.log("This is my message");
 // This is my message
 ```
 
-More commonly it is used to show the current value of a variable when debugging. In this example we are logging the value of a variable called `username`:
+More commonly it is used to show the current value of a variable when debugging. In this example, we are logging the value of a variable called `username`:
 
 ```js
 console.log("Username: " + username);

javascript/javascript-core/intro-js/introduction-js.md

@@ -14,20 +14,29 @@ category: must-know
 
 ## Content
 
-JavaScript is Everywhere!
+You can think of every website as a car 🚗.
 
-Every time you refresh your Twitter feed or search for a pair of skinny jeans on Amazon, you interact with JavaScript.
+- The metal frame, the doors, the steering wheel: this is all HTML
+
+- The paint: this is CSS.
+
+- The engine, wiring, and everything under the hood: this is **JavaScript**.
+
+It's what brings the web to life!
 
-For instance, the following code shows an alert that you might be familiar with 👖:
 
+
+For example, here's code that makes sure a user is old enough to use your website: 
 ```js
-alert("Warning! 👖 no longer fit.");
+let age = prompt("Please Enter Your Age")
+if(age < 16) {
+  alert("You are too young to sign up, sorry!")
+}
 ```
 
-![JavaScript_Jeans_Final](https://img.enkipro.com/bd7c491db166c1fcdc6144f145a186dc.png)
-
+Every time you refresh your Twitter feed or search for a pair of skinny jeans on Amazon, you interact with JavaScript.
 
-JavaScript is essentially the language of the Web; Facebook, Google, Netflix, Microsoft, etc., all use it for one purpose or another.
+It's the language of the Web; Facebook, Google, Netflix, Microsoft, etc., all use it for one purpose or another.
 
 > 🤔 What purpose will you use it for?
 >

javascript/javascript-core/intro-js/javascript-basics-part-2.md

@@ -139,7 +139,7 @@ x
 y
 ```
 
-is understod as:
+is understood as:
 
 ```js
 x;

javascript/javascript-core/intro-js/why-learn-javascript.md

@@ -32,10 +32,10 @@ We can use it to make fully functional websites (front-end and back-end), mobile
 JavaScript has the largest programming community in the world[1]. Any problem you face, chances are someone has already published a solution online. 
 
 - **High Demand**
-JavaScript developers are needed by small and large companies. The average salary for Node.js developers in the US is about $[106,121](https://www.glassdoor.com/Salaries/software-engineer-nodejs-salary-SRCH_KO0,24.htm).
+JavaScript developers are needed by small and large companies. The average salary for Node.js[2] developers in the US is about $[106,121](https://www.glassdoor.com/Salaries/software-engineer-nodejs-salary-SRCH_KO0,24.htm).
 
 
-> 💡There are over 1.8 Billion websites globally, and JavaScript is used on 95% of them.
+> 💡There are over 1.8 Billion websites globally, and JavaScript is used on 95% of them. [3]
 
 
 ---
@@ -70,7 +70,9 @@ Why was **JavaScript** originally developed?
 [1: JavaScript Rules The World]
 JavaScript has been the most widely used programming language in the world for the good part of the last decade.
 
-[!Statista_Popular_Languages](https://img.enkipro.com/21314c0f349267942234c15e076c4f85.png)
-> source: [Statista](https://www.statista.com/statistics/793628/worldwide-developer-survey-most-used-languages/)
+[2: Node.js]
+Node.js is a tool that allows you to run JavaScript without your code being attached to an HTML file.
 
-If you want to expand your skillset, Enki can help you level up in other popular skills such as [HTML/CSS](https://app.enki.com/skill/web) or [SQL](https://app.enki.com/skill/sql).
+[3: Javascript Usage]
+![Statista_Popular_Languages](https://img.enkipro.com/21314c0f349267942234c15e076c4f85.png)
+> source: [Statista](https://www.statista.com/statistics/793628/worldwide-developer-survey-most-used-languages/)