JavaScript Fundamentals Course for Beginners

Explore JavaScript statements by declaring variables with let and const, building basic statements, concatenating strings, using console.log, and applying if-else conditionals to greet by time.

Master JavaScript syntax by declaring variables with var, let, and const, using types, and creating an object with a method that uses console.log to print from first and last name.

Explore how JavaScript comments improve readability and maintainability by using single-line and multi-line comments, documenting code, and following best practices to avoid unnecessary duplication.

Explore JavaScript operators from arithmetic to complex, using x and y to demonstrate addition, subtraction, multiplication, and division with console output. Cover assignment, comparison, string, logical, bitwise, and ternary operators.

Master JavaScript arithmetic by learning addition, subtraction, multiplication, division, and the module operator, with examples using x and y and console.log outputs.

Explore JavaScript assignment operators from the basic equal sign to addition, subtraction, multiplication, division, and modulus assignments, and see how they update variables in code.

Explore strings in JavaScript, from string primitives and string objects to concatenation and the length property, with practical examples and console output.

Learn to manipulate strings in JavaScript using methods to convert text to uppercase, to lowercase, slice strings, substring, and replace parts, with practical code examples and console outputs.

Explore string search in JavaScript, mastering indexOf, regex, and case-insensitive patterns to locate substrings and manipulate text for validation and data handling.

Master JavaScript string templates, also known as template literals, to embed expressions and variables directly in strings, interpolate values, and create clean, readable multi-line strings.

Master randomness in JavaScript by using Math.random to generate numbers between 0 and 1, refine to integers with Math.floor and scaling, and simulate a dice roll for games and simulations.

Demystify booleans in JavaScript by exploring true and false, learn how boolean expressions and conditional statements determine adulthood from age, and build dynamic, responsive code with if else.

Explore the versatility of switch statements in JavaScript, using case fall-through to handle multiple conditions and perform type checks, with practical examples for numbers, strings, and defaults.

Explore the break statement in JavaScript to exit loops prematurely and control flow. Learn its use in switch statements, with practical examples showing iteration logging and early loop termination.

Explore sets in JavaScript and learn how they enforce unique values and automatically remove duplicates. Master essential set methods like add, has, delete, and size to manage dynamic collections.

Explore the typeof operator in JavaScript by examining undefined variables, functions, and the null quirk that returns object.

Discover how regular expressions in JavaScript enable powerful pattern matching and text manipulation, using character classes, quantifiers, and global matches to test patterns and extract data.

Explore JavaScript scope from global and local to block and function scope, using let, const, and var to define where variables are accessible and confined.

Explore JavaScript strict mode, catch undeclared variables and silent errors, and enforce safer, more disciplined code that guards against common pitfalls.

Create a JavaScript style guide to improve readability through consistent indentation, spacing, naming conventions, and braces, as demonstrated with functions, variables, and conditionals.

Explore static methods in JavaScript, showing how they belong to the class rather than instances and provide class-level utility, illustrated with a circle example and a from diameter method.

Protect JavaScript objects from unintended changes using the contract object dot phrase method, object shell method, and closures, and learn to enforce private data with provider methods.