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Description
Variables, Data Types, and Operators
Lesson 12/17
|
Study Time: 45 Min
Course:
Web-Development Live Classes
What You Will Learn in This Live Session
1. Variables in JavaScript
What are variables, and why they are used in programming.
Different ways to declare variables: var, let, and const.
Scope of variables (global vs. local scope).
2. Data Types in JavaScript
Understanding Primitive Data Types:
String – Text values ("Hello")
Number – Numeric values (10, 3.14)
Boolean – True/False values (true, false)
Undefined & Null – Special values representing empty or uninitialized variables
BigInt & Symbol – Advanced data types for specific use cases
Understanding Non-Primitive Data Types:
Objects, Arrays, and Functions
3. Operators in JavaScript
Arithmetic Operators – Perform mathematical operations (+, -, *, /, %).
Assignment Operators – Assign values to variables (=, +=, -=, *=).
Comparison Operators – Compare values (==, ===, !=, !==, >, <).
Logical Operators – Combine conditions (&&, ||, !).
Unary & Ternary Operators – Modify values or simplify conditions.
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Class Sessions
1- Introduction to Web Development
2- Basics of HTML
3- Headings, Paragraphs, Links, and Lists
4- Images, Tables, and Forms
5- HTML5 Semantic Elements
6- Introduction to CSS
7- Selectors, Colors, and Backgrounds
8- Flexbox and Grid Layout
9- Fonts, Text Styling, and Box Model
10- Responsive Design (Mobile-Friendly Websites)
11- Introduction to JavaScript
12- Variables, Data Types, and Operators
13- Functions and Events
14- Loops and Conditions
15- DOM Manipulation (Changing HTML with JS)
16- Advanced JavaScript & Projects
17- Git and Github