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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 1
Asynchronous JavaScript with Promises and Async/Await
Summary
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What does the resolve function do in a Promise?
Puts promise in pending state
Rejects the promise with error
Fulfills the promise successfully
Fulfills the promise successfully
How is a Promise created in JavaScript?
Using new Promise with executor function
Using new Promise with executor function
Using Promise constructor without parameters
Calling Promise.create method
What is the main benefit of async/await over Promises?
Makes asynchronous code look synchronous
Reduces number of callbacks used
Makes asynchronous code look synchronous
Increases promise resolution speed
What happens when a Promise is rejected?
The reject callback is invoked
The resolve callback is called
The reject callback is invoked
Promise enters fulfilled state
How does async function handle Promises internally?
Immediately executes synchronous code
Returns a Promise that resolves to function return value
Blocks execution until promise resolves
Returns a Promise that resolves to function return value
5 questions remaining
Next
Prototypes and Inheritance