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JavaScript Fundamentals
7 Units
35 Lessons
Unit 1
Basics
Setting Up a JavaScript Development Environment
Writing and Running Simple JavaScript Code
Understanding Basic Data Types and Variables
Real-World Project: Creating a Basic Interactive Web Page
Introduction to JavaScript and Its Syntax
Unit 2
Variables and Data Types
Best Practices for Variable Naming and Scope
Declaring and Initializing Variables in JavaScript
Working with Complex Data Types like Objects and Arrays
Exploring Primitive Data Types
Real-World Project: Building a Simple Data Tracker
Unit 3
Control Structures
Implementing Switch Statements
Working with For and While Loops
Using If-Else Statements for Conditional Logic
Nesting Control Structures for Complex Logic
Real-World Project: Creating a Dynamic List Generator
Unit 4
Functions
Passing Parameters and Returning Values
Arrow Functions and Function Expressions
Understanding Function Scope and Closures
Defining and Calling Functions
Real-World Project: Developing a Calculator Tool
Unit 5
Arrays and Objects
Creating and Accessing Array Elements
Manipulating Arrays with Methods
Nested Arrays and Objects
Working with Objects and Properties
Real-World Project: Managing a User Database
Unit 6
DOM Manipulation
Selecting and Accessing DOM Elements
Modifying DOM Content and Attributes
Handling Events in the DOM
Real-World Project: Building an Interactive Form Validator
Creating and Removing DOM Elements Dynamically
Unit 7
Advanced JavaScript
Asynchronous JavaScript with Promises and Async/Await
Prototypes and Inheritance
Modules and ES6 Features
Error Handling and Debugging Techniques
Real-World Project: Developing a Full-Featured Web Application
Unit 7
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Chapter 4
Error Handling and Debugging Techniques
Summary
No summary available for this chapter.
Concept Check
0/5
In Node.js, which error handling method is least scalable?
Extending Error with custom class.
Throwing a standard Error object.
Throwing a primitive string.
Throwing a primitive string.
What makes custom errors better for debugging in production?
Only uses default messages.
Includes extra info like HTTP codes.
Throws strings directly.
Includes extra info like HTTP codes.
Which environment may suppress Node.js error output?
Mobile app environment.
Browser environment.
Desktop app environment.
Mobile app environment.
Why avoid throwing strings in Node.js applications?
Enhances error handling.
Lack of consistency and scalability.
Lack of consistency and scalability.
Provides extra debugging info.
What does extending Error object allow in Node.js?
Add custom properties like error codes.
Add custom properties like error codes.
Limits error information.
Only uses basic messages.
5 questions remaining
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Modules and ES6 Features
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Real-World Project: Developing a Full-Featured Web Application