Popular Javascript Developer Certifications and Courses to upskill yourself in 2023

1. The Modern Javascript Bootcamp Course (2022) by Udemy

This is a comprehensive course designed to provide students with a solid foundation in Javascript. The course covers a wide range of topics, including Javascript fundamentals, object-oriented Javascript, functional Javascript, React, Redux, and advanced React. Each module dives deep into a specific topic, providing students with a comprehensive understanding of key concepts and techniques.

1. Introduction to Javascript: In this module, students will gain a solid foundation in Javascript fundamentals. They will learn about variables, data types, operators, control structures, functions, and object manipulation. This module also covers the fundamentals of web development, including HTML, CSS, and Bootstrap.
2. Object-Oriented Javascript: Object-Oriented Javascript is a fundamental concept in Javascript that enables the creation of reusable, modular code. In this module, students will learn the principles of object-oriented programming, including classes, objects, and methods. They will explore real-life examples and practical use cases of these concepts, gaining a solid understanding of object-oriented Javascript.
3. Functional Javascript: This module introduces students to functional programming concepts and techniques in Javascript. They will explore functional techniques such as recursion, higher-order functions, and closures. Students will also learn how to apply functional programming principles to solve common programming challenges.
4. React: React is a popular framework for building user interfaces. In this module, students will be introduced to the fundamentals of React, including components, state management, and lifecycle methods. They will also learn how to build interactive and data-driven applications using React.
5. Redux: Redux is a state management library that is widely used with React. In this module, students will explore the principles of Redux, including reducers, actions, and stores. They will learn how to use Redux to manage application state, improve application performance, and handle side effects.
6. Advanced React: In this module, students will extend their React knowledge by exploring advanced React features. They will learn how to handle asynchronous data, implement custom hooks, and use Redux patterns effectively. Students will also be introduced to React hooks and explore advanced React features like Redux Saga and Redux Typed Data.

Offering 52 hours on-demand video, the Modern Javascript Bootcamp Course (2022) by Udemy provides a comprehensive and in-depth exploration of Javascript. Through a combination of theoretical and practical content, students will gain a strong foundation in Javascript fundamentals, object-oriented programming, functional programming, React, Redux, and advanced React. The course’s modular structure ensures that students can focus on specific topics of interest and develop a well-rounded understanding of modern Javascript.

2. The Complete JavaScript Course 2023: From Zero to Expert! By Udemy

The Complete JavaScript Course 2023: From Zero to Expert! is a comprehensive course that will teach you everything you need to know about JavaScript, from the basics to advanced topics. Whether you are a beginner or an experienced developer, this course will equip you with the knowledge and skills to use JavaScript effectively in your development projects.

1. JavaScript Basics: This section will introduce the fundamentals of JavaScript, including syntax, variables, data types, strings, numbers, and control structures. You will learn how to write JavaScript code and manipulate the DOM (Document Object Model).
2. Functions: Functions play a crucial role in programming, and JavaScript offers a flexible and powerful way for defining and calling functions. In this section, you will learn about functions, including how to define them, pass arguments to them, and return values.
3. Objects: Objects are one of the key features of JavaScript, and this section will introduce you to the concept and how they work. You will understand how to define objects and access their properties and methods.
4. DOM Manipulation: The Document Object Model (DOM) is an interface that allows JavaScript to interact with and update the content and structure of web pages. This section will guide you through the basics of DOM manipulation, including retrieving elements, modifying elements, and adding new elements.
5. AJAX: AJAX (Asynchronous JavaScript and XML) is a powerful technique for asynchronously exchanging data between the server and the browser. This section will introduce you to AJAX concepts and teach you how to use XMLHttpRequest to make asynchronous requests to the server. You will also learn how to handle responses from the server.
6. JavaScript Libraries: JavaScript libraries provide utilities and functionality that can make programming tasks easier and more efficient. In this section, you will learn about popular JavaScript libraries, such as jQuery, Vanilla JavaScript, and modern JavaScript frameworks.
7. Final Project: In the final project, you will have the opportunity to apply all the concepts learned throughout the course to build your own real-world application. This project will allow you to showcase your JavaScript skills and demonstrate your ability to create full-fledged web applications.

This course comprises 68.5 hours on-demand video. By completing this course, you will become an expert in JavaScript and be able to leverage its power to build interactive and dynamic web applications. Whether you are a beginner or a seasoned developer, The Complete JavaScript Course 2023: From Zero to Expert! will give you the skills and knowledge you need to succeed in the world of web development.

3. Javascript Complete Guide With Practical Javascript Projects by Udemy

The course provides a comprehensive introduction to Javascript, covering topics such as Javascript fundamentals, functions, objects, arrays, events, and the DOM. Each module consists of a series of lessons and hands-on projects that give you the opportunity to apply your learning and develop real-world Javascript applications.

1. Introduction to Javascript: The first module provides a comprehensive introduction to Javascript, including its history, syntax, and common programming concepts. In this module, you will learn the basics of Javascript programming, including variables, data types, operators, and control structures. You will also explore the different ways in which Javascript can be used, such as in web browsers, mobile applications, and server-side applications.
2. Javascript Functions: Functions are a cornerstone in Javascript programming, enabling you to modularize your code and reuse functionality. In this module, you will gain a deep understanding of functions, including their declaration, invocation, and scope. You will also learn how to create and use functions efficiently, including parameter passing, error handling, and callback functions.
3. Javascript Objects: Objects are a fundamental data type in Javascript, providing a rich set of features and capabilities. In this module, you will learn about objects and their composition, including properties, methods, and object literals. You will understand how to create and manipulate objects, as well as use object prototypes to create dynamic objects.
4. Javascript Arrays: Arrays enable you to store and manipulate collections of data efficiently. In this module, you will gain a deep understanding of arrays in Javascript, including their creation, manipulation, and iteration. You will also learn how to sort, search, and manipulate arrays using various methods.
5. Javascript Events: Events are a mechanism in Javascript that allow your code to respond to user actions or browser interactions. In this module, you will learn about events, including how to define event listeners and handle event propagation. You will also explore different types of events, such as clicks, form submissions, and network requests, and learn how to use them to create interactive web applications.
6. Javascript DOM: The Document Object Model (DOM) is an API that provides programmatic access to HTML elements within a web page. In this module, you will gain a deep understanding of the DOM, including how to manipulate it using Javascript. You will learn how to access and manipulate elements, add event handlers, and work with the document structure.

This course offers 14 hours on-demand video. By the end of the course, you will have gained a solid foundation in Javascript programming, including an understanding of its core concepts, syntax, and techniques. You will also have developed practical skills through hands-on projects that will enable you to build robust and scalable Javascript applications.

4. JavaScript Basics for Beginners by Udemy 

 JavaScript is a programming language that is widely used for creating dynamic and interactive websites. In this JavaScript basics for beginners course, we will provide an overview of JavaScript, introduce the basic syntax, explain the different data types, cover variables, operators, control structures, functions, objects, arrays, and finally delve into topics such as DOM manipulation and AJAX.

1. Fundamentals: In this JavaScript basics for beginners course, we will start by exploring the basic syntax of JavaScript. We will learn about different data types, including strings, numbers, Booleans, and objects. We will also discuss variables, which are essential for storing values and manipulating data.
2. Operators: Next, we will move on to operators, which are the symbols we use to perform calculations and manipulations on variables. We will cover basic arithmetic operators, comparison operators, logical operators, and assignment operators.
3. Control structures: Control structures are a fundamental part of programming and allow us to make decisions, loop through code, and handle exceptions. We will learn about if/else statements, switch statements, for/while loops, and functions. Functions allow us to group related code into reusable units, making them a powerful tool in software development.
4. Objects: JavaScript objects allow us to create data structures that can store and manipulate data. We will explore the concept of objects and their properties, methods, and constructors. Arrays, on the other hand, are specialized objects used to store multiple values in a sequence. We will delve into the syntax of arrays and learn about common array operations.
5. Document Object Model: In addition to objects and arrays, we will also explore the Document Object Model (DOM) in JavaScript. The DOM provides a programmatic interface for accessing and manipulating elements on a web page. We will use the DOM to add, modify, and remove elements from the web page dynamically.
6. Asynchronous JavaScript and XML: AJAX (Asynchronous JavaScript and XML) is a powerful technology that allows web pages to communicate with the server asynchronously. We will introduce the basics of AJAX, explore how to make asynchronous HTTP requests, and discuss its use in real-world applications.

Comprising 6.5 hours on-demand video, by the end of this JavaScript basics for beginners course, you will have a solid understanding of the fundamental concepts of JavaScript and be able to apply them to create dynamic and interactive websites.

As you can see in the summarized table above, the levels, costs and duration relevant to these courses vary. Therefore, some tend to be more expensive, and some are more appropriate for beginners while others for intermediate or advanced developers. When choosing which Javascript Certifications and Courses to pursue, it remains key to consider your own budget, skill level as well as goals.

5. Conclusion 

These certifications and courses provide valuable opportunities for Javascript developers to enhance their skills and stay up-to-date with the latest trends and best practices in Javascript development. Whether you are a beginner or an experienced developer, investing in these resources can significantly boost your proficiency and open doors to exciting career opportunities in 2023.