• Output: innerHTML, write(), alert(), console.log().
• Syntax: Statements, Literals, Variables, Comments.
• Variables: var, let, const (Differences).
• Operators: Arithmetic, Assignment, Comparison, Logical.
• Data Types: String, Number, Boolean, Object, Array.

• Conditions: If, Else, Else If, Switch Statement.
• Loops: For Loop, For In, For Of, While, Do While.
• Break/Continue: Managing loop execution.
• Error Handling: Try, Catch, Throw, Finally.
• Scope: Block Scope, Function Scope, Global Scope.

• Functions: Parameters, Return Values, Invocation.
• Objects: Properties, Methods, 'this' keyword.
• Strings: Methods (slice, replace, upperCase, trim).
• Arrays: Sort, Push, Pop, Shift, Splice, Map, Filter.
• Math & Dates: Random(), Round(), Date formats.

• DOM Intro: The Document Object Model tree.
• Methods: getElementById, querySelector.
• HTML/CSS: Changing content and styles via JS.
• Events: OnClick, OnMouseOver, OnChange, EventListener.
• Nodes: Navigating parent, child, and sibling nodes.

• Window: Width, Height, Screen, Location, History.
• Popups: Alert, Confirm, Prompt boxes.
• Timing: SetTimeout, SetInterval (Clock logic).
• Web Storage: LocalStorage vs Cookies.
• JSON: Parsing and Stringifying data.

• Arrow Functions: Shorter syntax.
• Classes: Constructor, Inheritance, Static.
• Modules: Import/Export.
• Async/Await: Handling Promises easier.
• Fetch API: Getting data from servers.

To-Do List

Add, delete, and mark tasks as done using DOM.

Calculator

Functional calculator using JS logic and events.

Weather App

Fetch live weather data using an API.

Quiz Game

Interactive quiz with score calculation.