JavaScript Foundations
JavaScript Foundations is a critical pillar in the field of web development and programming. This crucial course digs into the fundamental ideas and concepts underlying the JavaScript programming language, a flexible and widely used computer language for developing interactive online applications.
We'll look at variables, data types, operators, functions, type conversions, and other important parts of JavaScript in this portion of your ebook. This fundamental information is meant to help you realize the heart of JavaScript and set the scene for your journey into the web development world, whether you're a newbie hoping to grasp the basics or an experienced developer wishing to reaffirm your comprehension.
Content Index
Variables
1.1 What is the purpose of the var variable?
1.2 What is the purpose of the let/const variable?
1.3 Example Code
Data Types
2.1 Primitive Characteristics
2.2 Types of Objects
Operators
3.1 Types of Operators
3.1.1 Numerical Operators
3.1.2 Increment/Decrement Operators
3.1.3 Comparison Operators
3.1.4 Logical and Bitwise Operators
3.1.5 Assignment Operators
3.1.6 Bitwise Shift Operators
3.1.7 Conditional Operators
3.1.8 Functional Programming Operators
3.1.9 Unary Operators
3.2 Operator Precedence
Functions
4.1 Function Types
4.1.1 Named vs Anonymous Functions
4.1.2 Pure vs Constructor vs IIFE vs High Order Functions
4.1.3 Sync, Async vs Generator Functions
4.2 Arrow Functions ?4.2.1 Arrow Function Extras
Type Conversions and Default Parameters
5.1 Falsy and Truthy
5.2 Type Coercion, Conversion and Double exclamation points
5.3 Default Parameters
Rest
6.1 What is Rest
6.2 What are the Advantages and Disadvantages of Rest?
6.3 How Rest Works in the Background
Spread
7.1 What is Spread
7.2 Function Call/Apply Samples
7.3 Array Use Cases
7.4 Array and Object Cloning Samples
7.5 Math Samples
Destruction Assignments
8.1 If We Examine Object Destruction Operations in Detail
8.1.1 Assigning Different Names to Destruction Variables
8.1.2 Assign Default Value
8.1.3 Destruction operation when passing Function as Value
8.1.4 Using Rest
8.2 If we examine Array Destruction Operations in detail
8.2.1 Make assignments by skipping certain indexes
8.2.2 Default Value Assignment
8.2.3 Rest
Template Literals
9.1 Types of String Definitions
9.2 Uses and Purposes of Template Literals
Enhanced Object Literals
10.1 How Do We Define Object?
10.2 What are the advantages of Enhanced Object Literals?
Loops and For..of method
11.1 How Many Different Types of Looping Methods
11.2 For, While, Do/While Loops
11.3 forEach
11.4 For…of
11.5 Recursive Functions
Module (IIFE →CJS→AMD →ES6)
12.1 What was the evolution of the Javascript Module Structure?
12.2 Pre-Modules Era?
12.3 DIY Modules Era (IIFE)
12.4 NodeJS Era (Common.JS - Sync)
12.5 Browser Module Era (AMD Require.JS - Async)
12.6 ES6 Module Era
NPM
13.1 What is NPM?
13.2 How does NPM Work?
13.3 How to use NPM?
13.3.1 Publish as step 1.0.0.
13.3.2 Step (correcting a mistake in the module) Patching as 1.0.1
13.3.3 Step (Adding new feature in module) 1.1.0 new feature
13.3.4 Step (Change module interface) 2.0.0 new breaking
13.4 What are the Differences Between Bower, Npm, Yarn?
Map/Set Data Structures
14.1 What Types of Data Does Javascript Provide?
14.2 Object was enough for us, why did we need Map type?
14.3 We had enough of arrays, why did we need Set types?
Symbol
15.1 Unique Key Generation
15.2 Making Property (Key) Private
15.2.1 Does it provide complete privacy?
15.2.2 So is there an easier way to access Symbol References? (Global Symbol Registry)
15.3 Make an Enumeration
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