what is javascript … ?
Javascript is a dynamic computer programming language. It is lightweight and most commonly used as a part of web pages, whose implementations allow client-side script to interact with the user and make dynamic pages. It is an interpreted programming language with object-oriented capabilities.

Why Study JavaScript …?

JavaScript is one of the 3 languages all web developers must learn:

1. HTML to define the content of web pages

2. CSS to specify the layout of web pages

3. JavaScript to program the behavior of web pages

Web pages are not the only place where JavaScript is used. Many desktop and server programs use JavaScript. Node.js is the best known. Some databases, like MongoDB and CouchDB, also use JavaScript as their programming language.

Important topics in Javascript
16 JavaScript Concepts JavaScript Professionals Must Know Well
If you plan to work as JavaScript Professional, you must know some JavaScript concepts and JavaScript-related web-development technologies, particularly as a modern JavaScript developer. If you know the 16 concepts enumerated below, you have the skill necessary to build world-class modern JavaScript web applications, and you are set for the near future—0 to 3 years.

I will expound on each of these sixteen concepts, and I am hopeful all of us will have become better JavaScript programmers by the time we get through all of them. I have completed most of the 16 concepts with just a few more to go, so keep reading and learning. And sign up for the newsletter to get the latest updates.

1). The sixteen concepts that every modern JavaScript developer should know well follow:

2). JavaScript Objects in Detail
3). JavaScript Prototype in Plain, Detailed Language
4). JavaScript Variable Scope and Hoisting Explained
5). Understand JavaScript Closures With Ease
6). Understand JavaScript Callback (Higher-Order) Functions
7). Understand JavaScript’s “this” With Clarity, and Master It
8). JavaScript’s Apply, Call, and Bind Methods are Essential
9). Learn HTML5, CSS3, and Responsive WebSite Design
10). Object Oriented JavaScript (OOP in JavaScript)
11). Learn Node.js Completely and With Confidence Or Learn Meteor.js Properly
12). JavaScript Custom Events with PubSub (coming soon)
13). Unit Testing Your JavaScript Applications is Essential
14). DOM (Document Object Model) and BOM (Browser Object Model)
15). ECMAScript 3 and 5
16). The Best JavaScript Front-end Frameworks You Should be Using
Preventing and Handling JavaScript Errors and Debugging Your Code
BONUS: JavaScript Design Patterns that Every JavaScript Developer Should Know (coming soon)

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