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JavaScript and TypeScript

The Complete Guide (Vite & Node)

Lucas Barake

Welcome to JavaScript and TypeScript: The Complete Guide (Vite & Node.js). In this course, you will learn the fundamental concepts of both JavaScript and TypeScript, two of the most popular programming languages for web development. You will start from the beginning and progress to build interactive and responsive web applications.

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Welcome to JavaScript and TypeScript: The Complete Guide (Vite & Node.js). In this course, you will learn the fundamental concepts of both JavaScript and TypeScript, two of the most popular programming languages for web development. You will start from the beginning and progress to build interactive and responsive web applications.

TypeScript is a powerful superset of JavaScript that adds strong typing and object-oriented features to the language. It allows you to write cleaner, more maintainable, and more efficient code and is quickly becoming the preferred choice for professional developers. In this course, you will learn how to leverage these features to write better code and build more robust web applications.

Throughout the course, you will learn how to use JavaScript and TypeScript to create modern web applications (both front-end and back-end) and gain practical experience through exercises and projects. You will also learn how to debug and troubleshoot code and master best practices and design patterns for web development.

Whether you are new to programming or an experienced developer looking to enhance your skills, this course is designed to help you master JavaScript and TypeScript and build web applications like a professional. By the end of the course, you will have a solid foundation in these languages, front-end (Vite.js), and back-end (Node.js), and be well on your way to becoming a competent web developer.

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What's inside

Learning objectives

  • Learn typescript without knowing typescript
  • Learn how to use javascript and typescript to create front-end and back-end applications with node and vite.
  • Become an expert in writing clean, maintainable and efficient code with javascript and typescript.
  • Gain hands-on experience in creating web applications through projects and practical exercises.
  • Learn node js.
  • Learn typescript.
  • Learn javascript.
  • Learn zod.
  • Learn express js.
  • Learn asynchronous programming (promises & async/await).
  • Learn about the event loop.
  • Show more
  • Show less

Syllabus

Introduction
What does this course include?
What is JavaScript?
What is TypeScript?
Read more
Installing Node.js
Installing Visual Studio Code (VSCode) & Setting up the Dev Evnironment
Lexical Structure
What is the lexical structure?
Defining Variables
Naming Conventions & Best Practices
Primitive Types and Unions in TypeScript
Challenge: Primitive Types and Unions
Arithmetic Operators, Unary Operators, and NaN
Coercing to a Number
Infinity
Compound Assignment Operators
Wrap-up Challenge
Control Statements
If Statements and Conditional Operators
Challenge: If Statements and Conditional Operators
Truthy and Falsy Values
Logical Operators && (AND) and || (OR)
Challenge: Logical Operators
Compiling TypeScript to JavaScript
While Loop
Do While Loop
Challenge: While Loop
Switch Statement
Challenge: Switch Statement
For Loop
Challenge: For Loop
Ternary Operator
Challenge: Fizz Buzz
Block Scoping and Hoisting
Functions and Types
Introduction to Functions
Guard Clauses
Challenge: Functions
Parameters Passed by Value
Anonymous Functions
Arrow Functions
Typing Functions in Variables
Challenge: Types of Functions
Functions Returning Functions & Type Aliases
Challenge: Functions Returning Functions & Type Aliases
Immediately Invoked Function Expression (IIFE)
Functions as Function Arguments (Callbacks)
Objects
Introduction to Objects
Adding, Removing, and Modifying Properties
Objects Challenge & Passing By Reference
Destructuring Assignment of Objects
Optional Chaining (?.) & Nullish Coalescing Operator (??)
Non-Null Assertion Operator
Readonly Objects
Arrays
Introduction to Arrays
Basic Properties and Methods of Arrays
Challenge: Shopping Cart
Nesting Arrays
Tuples with TypeScript & Destructuring Assignment
Rest and Spread Operators
Iterating over Arrays Imperatively w/ for...of
Challenge: Removing Items from Shopping Cart
.forEach() Method with Challenge
.map() Method with Challenge
.find() Method with Challenge
.filter() Method with Challenge
.every() & .some() Methods with Challenge
.reduce() Method with Challenge
Guide: When to Use Each Method
Making Objects Iterable
Collections (Maps & Sets) and OOP (Object-Oriented Programming)
Introduction to OOP
Inheritance
Challenge: Classes
Polymorphism
Interface (TypeScript)
Access Modifiers (public, protected & private)
Encapsulation
Introduction to Generics
Type Assertion (as type)
Challenge: Trim Strings
Generics with Classes, Optional Function Arguments, and Setters & Getters
Sets + Challenge
Maps + Challenge
Advanced Techniques in TypeScript
Generic Constraints with extends
Indexed Access
Keyof Operator
Challenge: Keyof Operator
Intersections (&)
Challenge: Intersections
Utility Types
Mapped Types & Modifiers
Challenge: Recreate the Utility Types
Const Assertion & Satisfies Operator
DOM Manipulation: Mini Project & Introduction to Vite
Initializing the Project

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Covers both JavaScript and TypeScript, which are essential languages for modern web development, making it highly relevant for aspiring and experienced web developers
Explores front-end (Vite.js) and back-end (Node.js) development, providing a comprehensive understanding of building full-stack web applications
Teaches TypeScript as a superset of JavaScript, enabling developers to write cleaner, more maintainable, and more efficient code, which is beneficial for large projects
Includes practical exercises and projects, allowing learners to gain hands-on experience and apply their knowledge to real-world scenarios, which is crucial for skill development
Examines advanced TypeScript techniques like generic constraints, indexed access, and mapped types, which are useful for experienced developers seeking to deepen their expertise
Requires installing Node.js and Visual Studio Code, which may pose a barrier for learners with limited access to specific software or hardware, but these are common tools

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Save JavaScript and TypeScript: The Complete Guide (Vite & Node) to your list so you can find it easily later:
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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in JavaScript and TypeScript: The Complete Guide (Vite & Node) with these activities:
Review JavaScript Fundamentals
Solidify your understanding of core JavaScript concepts before diving into TypeScript and advanced features. This will make learning TypeScript easier.
Browse courses on JavaScript Fundamentals
Show steps
  • Review variables, data types, and operators.
  • Practice control flow statements (if/else, loops).
  • Revisit functions and objects in JavaScript.
Read 'Effective TypeScript'
Enhance your TypeScript skills by learning best practices and advanced techniques from a renowned expert. This will help you write cleaner and more efficient code.
View Effective Typescript on Amazon
Show steps
  • Read a chapter each week.
  • Try out the examples in your own projects.
  • Discuss the concepts with peers.
Build a Simple To-Do App with TypeScript and Vite
Apply your knowledge of TypeScript and Vite by building a practical application. This will reinforce your understanding of the concepts covered in the course.
Show steps
  • Set up a new Vite project with TypeScript.
  • Define the data structure for a to-do item.
  • Implement functions to add, remove, and toggle to-do items.
  • Create a user interface to display and interact with the to-do list.
Four other activities
Expand to see all activities and additional details
Show all seven activities
TypeScript Coding Challenges
Sharpen your TypeScript skills by solving coding challenges on platforms like Exercism or HackerRank. This will improve your problem-solving abilities and code fluency.
Show steps
  • Choose a platform with TypeScript challenges.
  • Solve one or two challenges each day.
  • Review your solutions and learn from others.
Write a Blog Post on a TypeScript Feature
Deepen your understanding of a specific TypeScript feature by researching and writing a blog post about it. This will force you to explain the concept clearly and concisely.
Show steps
  • Choose a TypeScript feature that interests you.
  • Research the feature and its use cases.
  • Write a blog post explaining the feature and providing examples.
  • Publish your blog post on a platform like Medium or Dev.to.
Read 'Node.js Design Patterns'
Learn common design patterns for Node.js applications to improve the structure and maintainability of your backend code.
View Node.js Design Patterns - Third edition: Design... on Amazon
Show steps
  • Read a chapter each week.
  • Identify patterns used in existing Node.js projects.
  • Apply the patterns to your own projects.
Contribute to a TypeScript Open Source Project
Gain real-world experience by contributing to an open-source project that uses TypeScript. This will expose you to different coding styles and project structures.
Show steps
  • Find an open-source project that uses TypeScript.
  • Identify a bug or feature that you can contribute to.
  • Submit a pull request with your changes.
  • Respond to feedback and revise your code as needed.

Career center

Learners who complete JavaScript and TypeScript: The Complete Guide (Vite & Node) will develop knowledge and skills that may be useful to these careers:
Full-Stack Developer
A full stack developer works on both the frontend and backend of a web application and this course directly prepares learners for this career. The curriculum provides learners with the know-how of creating both front end web apps using JavaScript, TypeScript and Vite and back end servers using Node.js. Learners will use the skills from this course to build user interfaces, manage server logic, and develop and consume APIs. The course teaches essential programming concepts such as functions and object oriented programming and provides hands on experience.
See salaries and explore the career path for Full-Stack Developer
JavaScript Developer
A JavaScript developer specializes in using JavaScript to create interactive features on websites and applications. This course is a clear choice for a javascript developer, as it focuses heavily on JavaScript, including both the basic and advanced concepts. It covers how to use JavaScript for front end, using Vite, and back end, using Node.js, which provides versatility. JavaScript developers benefit from a deep understanding of topics taught in the course such as asynchronous programming, which makes applications performant.
See salaries and explore the career path for JavaScript Developer
Web Developer
A web developer is involved in building websites, and needs the specific skills taught in this course to do so effectively. This course provides a great blend of learning foundational concepts of JavaScript, as well as more advanced concepts with TypeScript, making it ideal for a web developer. It also teaches how to use these languages for both front end (Vite) and back end (Node.js) development. This comprehensive approach ensures a web developer is well equipped for building modern web applications.
See salaries and explore the career path for Web Developer
TypeScript Developer
A TypeScript developer specializes in using the TypeScript language to write more structured and maintainable code for web applications. This course is designed to help a TypeScript developer, since it teaches TypeScript from the ground up, including its advanced features. This focus allows developers to create more robust and scalable systems. The course also emphasizes using TypeScript in practical projects, such as web application development with Node.js.
See salaries and explore the career path for TypeScript Developer
Web Application Developer
Web application developers create interactive and dynamic websites that provide sophisticated user experiences. This course is uniquely suited to a web application developer since it focuses on building both front end and back end parts of the application, using cutting edge tools like Vite and Node.js. They rely on JavaScript and TypeScript which are extensively covered in this course and provides the know how for creating complex applications with the help of its many features. Hands on projects and practical exercises in this course give invaluable experience in building modern web applications.
See salaries and explore the career path for Web Application Developer
Frontend Developer
A frontend developer builds the user-facing parts of websites and web applications. This role involves writing code that determines how a website appears and how users interact with it. This course directly helps a frontend developer as it provides a thorough understanding of JavaScript and TypeScript, alongside the use of Vite; these are essential technologies for building modern web applications. The course covers vital topics such as DOM manipulation and responsive design which are critical for this role. By understanding core concepts such as functions and object oriented programming, learners will be well prepared to create dynamic front end applications.
See salaries and explore the career path for Frontend Developer
Backend Developer
A backend developer creates the server-side logic that powers web applications, managing databases, APIs, and other critical functions. This course is useful for a backend developer since it provides a solid foundation in JavaScript, TypeScript, and Node.js, which are key tools for server-side development. Understanding asynchronous programming and the event loop, taught in this course, helps to build efficient servers. The knowledge of TypeScript allows developers to write more robust back end code with advanced features such as interfaces and generics.
See salaries and explore the career path for Backend Developer
UI Developer
A user interface (UI) developer specializes in building the visual and interactive elements of websites and applications. This course helps a user interface developer by providing expertise in JavaScript and TypeScript, which are essential for creating dynamic user interfaces. The course's focus on front end technologies such as Vite contributes by providing the tooling for building efficient interfaces. Understanding DOM manipulation and responsive design, both present in this course, are essential for this role.
See salaries and explore the career path for UI Developer
Software Engineer
Software engineers design, develop, and maintain software systems, and this course provides excellent skills for software engineers interested in web development. The course builds a strong foundation in JavaScript and TypeScript, the most common web programming languages. Software engineering requires proficiency in design patterns and clean coding; this course helps with both. The knowledge of advanced features such as generics, interfaces, and classes are very useful for any software engineer, especially web developers, and this course covers each of these topics.
See salaries and explore the career path for Software Engineer
Software Developer
A software developer creates software solutions to meet specific needs of users. This course will be a great fit for a software developer since it provides extensive knowledge in both JavaScript and TypeScript which are widely used in software development including web based software. The course covers essential aspects such as server side development with node.js, and front end development with Vite. By completing this course a software developer can develop not only web applications, but also use the language concepts learned to develop other types of software.
See salaries and explore the career path for Software Developer
Application Developer
An application developer builds software applications for various devices and platforms. This course may be useful for an application developer because it provides the foundation in JavaScript and TypeScript, which can be used for creating rich, dynamic applications. The course also covers how to use these languages to build web applications, which are an increasingly common application type. By knowing the core concepts, such as functions and object oriented programming, taught throughout the course, one can go on to develop applications for all sorts of platforms.
See salaries and explore the career path for Application Developer
Mobile Application Developer
Mobile application developers create applications for mobile devices like smartphones and tablets. This course may be useful for a mobile application developer because of the focus on modern web development practices. Certain mobile development frameworks utilize JavaScript and TypeScript as part of their ecosystem. Learning about front end frameworks and tooling through the course will help those who build mobile applications using web technologies. Knowing foundational concepts in this course will enable developers to move across platforms.
See salaries and explore the career path for Mobile Application Developer
API Developer
An API developer builds interfaces that are used for communication between different software systems. This course may be useful for an API developer because it teaches how to build server side applications using Node.js and how to perform asynchronous operations. APIs rely heavily on JavaScript and Node.js making this course a great option for API developers. The course also covers crucial concepts such as functions and object oriented programming, both key for an API developer.
See salaries and explore the career path for API Developer
Solutions Architect
Solutions architects design and guide the development of complex software systems. This course may be useful for a solutions architect, especially one involved with web technologies. Understanding the capabilities of both JavaScript and TypeScript is crucial for designing modern web applications, and the course provides in-depth training on each. Understanding the features of Vite and Node.js, also covered in this course, makes a solutions architect ready to design complex enterprise applications. This role usually requires an advanced degree.
See salaries and explore the career path for Solutions Architect
DevOps Engineer
A DevOps engineer works to bridge the gap between development and operations. This course may be useful as a starting point for a devops engineer. JavaScript and Node.js can often be used in automation tools and infrastructure management. Though the course is primarily focused on web development, knowing JavaScript and TypeScript provides a versatile background for this role. This is especially useful in the area of deployment and automation with configuration management tools.
See salaries and explore the career path for DevOps Engineer

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in JavaScript and TypeScript: The Complete Guide (Vite & Node).
Cover image
Effective Typescript
Save
Provides practical advice on writing better TypeScript code. It covers a wide range of topics, from basic type annotations to advanced techniques like generics and mapped types. It's a valuable resource for intermediate to advanced developers looking to deepen their understanding of TypeScript and write more maintainable code. This book is best used as additional reading to supplement the course.
Effective Typescript
Paperback
Check
Effective Typescript
Kindle Edition
Check
Cover image
Node.js Design Patterns
Save
Explores various design patterns applicable to Node.js development, including those relevant to Express.js. Understanding these patterns will help you write more scalable, maintainable, and robust backend applications. While not strictly TypeScript-focused, the principles apply and will improve your overall backend development skills. This book is best used as additional reading to supplement the course.
Node.js Design Patterns - Third edition: Design and...
Paperback
$$
Node.js Design Patterns - Second Edition: Master...
Kindle Edition
$$

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Effort
15.5 total hours
Via
Udemy
Instructor
Lucas Barake
Language
English
Good to know
Covers both JavaScript and TypeScript, which are essential languages for modern web development, making it highly relevant for aspiring and experienced web developers
Explores front-end (Vite.js) and back-end (Node.js) development, providing a comprehensive understanding of building full-stack web applications
Teaches TypeScript as a superset of JavaScript, enabling developers to write cleaner, more maintainable, and more efficient code, which is beneficial for large projects
Includes practical exercises and projects, allowing learners to gain hands-on experience and apply their knowledge to real-world scenarios, which is crucial for skill development
Examines advanced TypeScript techniques like generic constraints, indexed access, and mapped types, which are useful for experienced developers seeking to deepen their expertise
Requires installing Node.js and Visual Studio Code, which may pose a barrier for learners with limited access to specific software or hardware, but these are common tools
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