1. JavaScript Operators, Methods, and Keywords

• Use arithmetic, assignment, and compound operators

• Follow JavaScript best practices (comments, indentation, debugger tools)

• Understand internal vs external scripts

• Use try, catch, and finally for exception handling

• Interact with the Browser Object Model (BOM), such as screen detection and alerts

2. Variables, Data Types, and Functions

• Declare and use primitive data types (Number, Boolean, String, etc.)

• Work with arrays: define, access, sort, search, and manipulate

• Use objects and built-in objects like Date

• Use built-in Math methods like Math.floor() and Math.random()

• Write functions with parameters and return values, and understand scope

3. Decisions and Loops

• Use logical and comparison operators

• Write conditional logic with if, else, and switch

• Create loops using for, while, do while, and control them with break or continue

4. Document Object Model (DOM)

• Understand and construct the DOM tree (window, document, elements)

• Handle events: onclick, onchange, onkeydown, onmouseover, etc.

• Output content using document.write, innerHTML, and textContent

• Locate and modify HTML elements using methods like getElementById and createElement

• Attach events using addEventListener

5. HTML Forms

• Retrieve and update values from form fields

• Perform input validation (empty fields, numeric input, string comparisons)

• Understand the form submission process: onsubmit, POST vs GET, and action targets