JavaScript

JavaScript is a dynamic programming language used for building interactive and dynamic websites. It allows developers to create features like pop-ups, animations, form validation, and much more, enhancing the user experience. JavaScript can also be used for server-side development (Node.js), mobile app development (React Native), and even desktop applications (Electron). It is known for its flexibility, as it can be integrated with other languages and frameworks, making it a crucial tool for web developers worldwide.

Why is JavaScript important?

JavaScript is highly relevant in today's tech landscape for several reasons:

• Web Development: JavaScript is essential for creating interactive and dynamic websites.
• Cross-Platform Development: With frameworks like React Native and Electron, JavaScript can be used to develop mobile, desktop, and web applications, making it a versatile language for cross-platform development.
• Server-Side Development: Node.js allows developers to use JavaScript for server-side scripting, enabling them to build scalable and efficient server-side applications.
• Libraries and Frameworks: JavaScript has a vast ecosystem of libraries and frameworks like React, Angular, and Vue.js, which simplify and accelerate the development process.
• Community and Support: JavaScript has a large and active community of developers who contribute to its growth and provide support through forums, tutorials, and open-source projects.
• Career Opportunities: Proficiency in JavaScript opens up a wide range of career opportunities in web development, mobile app development, and other tech-related fields, making it a valuable skill to have in today's job market.

Who should take the JavaScript Exam?

• Web Developers
• Software Engineers
• Mobile App Developers
• UI/UX Designers
• Technical Leads/Managers
• Anyone Interested in Web Development
  

Skills Evaluated for JavaScript Certification

Candidates taking a certification exam on JavaScript are typically evaluated for a range of skills, including:

• Understanding of JavaScript syntax, variables, data types, loops and functions.
• DOM Manipulation
• Knowledge of error handling techniques, including try-catch blocks.
• Asynchronous Programming
• ES6 Features
• Debugging
  

JavaScript Certification Course Outline

1. JavaScript Intro
1.1 Intro
1.2 Exploring Web Sites in the Browser
1.3 Create first HTML file and start Live Server
1.4 Add favicon to the HTML file
1.5 JavaScript embedded into the HTML
1.6 JavaScript in the separate file
1.7 JavaScript in the Console of the Browser

2. JavaScript Types and Variables
2.1 Object in JavaScript
2.2 Primitive vs Reference Value Types
2.3 Variable declaration using "var", "let" and "const"
2.4 Statically vs Dynamically typed Languages

3. JavaScript Objects
3.1 Variety of Objects in JavaScript
3.2 Objects Modification
3.3 Global Objects - "window" and "global"
3.4 Methods of the Object

4. JavaScript Functions
4.1 Introduction to the Functions
4.2 Syntax of the Function
4.3 Function Expressions vs Function Declarations
4.4 Function Expressions

5. JavaScript Operators
5.1 JavaScript Operators (arithmetic, Comparison, Logical)
5.2 Operands, Unary vs Binary Operators and Notations
5.3 Operators Precedence and Associativity

6. JavaScript Expressions vs Statements
6.1 Expressions vs Statements

7. JavaScript Scopes
7.1 JavaScript Scopes
7.2 Undeclared Variables and "use strict"

8. JavaScript Arrays
8.1 JavaScript Arrays
8.2 JavaScript Array Methods

9. JavaScript Loops and Conditional Statements
9.1 JavaScript "for" Loop
9.2 JavaScript "while" Loop
9.3 JavaScript "do while" Loop
9.4 JavaScript "for in" and "for of" Loops
9.5 JavaScript Conditional Statements - if, if else and switch
9.6 JavaScript Ternary Operator

10. JavaScript Advanced Topics
10.1 JavaScript Mutable vs Immutable Values
10.2 JavaScript "typeof" and "instanceof" Operators
10.3 JavaScript "new Array", "new String"
10.4 JavaScript "new Object", "new Function"
10.5 JavaScript Execution contexts and Execution contexts stack
10.6 JavaScript "this"
10.7 JavaScript "call", "apply" methods of the Function
10.8 JavaScript "bind" method of the Function
10.9 JavaScript "pass by value" vs "pass by reference"
10.10 JavaScript IIFE - Immediately Invoked Function Expression
10.11 JavaScript Synchronous Code Execution
10.12 JavaScript Events and Events queue
10.13 JavaScript Callbacks
10.14 JavaScript Closures

11. ES6 Variables Lifecycles
11.1 Scopes - Global, Function and Block
11.2 JavaScript let
11.3 JavaScript const
11.4 JavaScript  Variables Usage Guidelines
11.5 JavaScript Var, Let or Const?
11.6 JavaScript Engine Phases
11.7 Variable Lifecycle Phases
11.8 JavaScript Var lifecycle
11.9 JavaScript Undeclared variable lifecycle
11.10 JavaScript Let lifecycle
11.11 JavaScript Const lifecycle
11.12 JavaScript Function lifecycle

12. ES6 Arrow functions
12.1 Introduction to the Arrow Functions
12.2 Traditional JavaScript Functions Overview
12.3 Arrow Functions syntax
12.4 Arrow Functions and "this".
12.5 Regular functions instead of Arrow Functions
12.6 Arguments in the Functions

13. ES5.1 Array Helper Methods
13.1 JavaScript forEach() Overview
13.2 JavaScript map() Overview
13.3 JavaScript filter() Overview
13.4 JavaScript find() Overview
13.5 JavaScript every() and some() Overview
13.6 JavaScript includes() Overview
13.7 JavaScript reduce() Overview
13.8 How sort() works?
13.9 JavaScript Sorting Algorithms Overview

14. ES6 Template Literals
14.1 JavaScript Template Literals Overview
14.2 JavaScript Tagged Templates Overview

15. ES6 Rest/Spread Operators and Default Function Parameters
15.1 Rest Parameters Overview
15.2 Spread Operator Overview
15.3 Default Function Parameters Overview

16. ES6 Enhanced Object Literals
16.1 Enhanced Object Literals Overview

17. ES6 Array and Object Destructuring
17.1 Destructuring Overview
17.2 Object Destructuring
17.3 New Variable Names and Default Values in Object Destructuring

18. ES6 Classes, Prototypes and Function Constructors
18.1 Class-based vs Prototype-based
18.2 What is inheritance?
18.3 Prototype Chain
18.4 __proto__ and [[Prototype]]
18.5 What is Prototype?
18.6 Don't reassign __proto__
18.7 Native Prototypes
18.8 Prototypal Inheritance in JavaScript
18.9 Function Constructors
18.10 Object.create() Overview
18.11 "instanceof" and "typeof" in the Prototype Chain
18.12 Classes - Overview
18.13 Classes vs Function Constructors
18.14 React and ES6 Classes

19. Babel Introduction
19.1 Babel Module Introduction
19.2 What is Compiler?
19.3 Compiled vs Interpreted languages
19.4 Transpiler
19.5 Transpling vs Compiling
19.6 ES5, ES6 and JavaScript
19.7 What Babel does?
19.8 Why do we need Babel?
19.9 ES6 support by Browsers
19.10 How many browsers need compiled ES5 code?
19.11 What is User Agent?
19.12 Serve different JS files to different browers
19.13 Different JS files on the server
19.14 How Babel Works?
19.15 Install Babel Globally
19.16 Plugins and Presets

20. NPM - Node Package Manager
20.1 Introduction to the NPM
20.2 Package.json and init
20.3 Semantic Versioning
20.4 Packages Installation
20.5 Dependencies and Development Dependencies
20.6 Browser App vs Public Package
20.7 Why package-lock.json file is needed?
20.8 How lock file is handled
20.9 Update NPM packages overview
20.10 Introduction to the NPM scripts
20.11 NPM .bin Folder with Executable Scripts