Intermediate JavaScript & Best Practices
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Intermediate JavaScript & Best Practices
This course is part of JavaScript from Beginner to Expert 2.0 Specialization
Included with
Recommended experience
Recommended experience
What you'll learn
Master JavaScript string manipulation and regular expressions for efficient text processing.
Build interactive web elements like clocks, slideshows, and galleries using JavaScript.
Apply best practices to improve JavaScript performance, security, and maintainability.
Leverage new JavaScript features like nullish coalescing and arrow functions for cleaner code.
Skills you'll gain
Tools you'll learn
Details to know
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There are 14 modules in this course
In this course, you’ll enhance your JavaScript skills and learn best practices for efficient and maintainable code. By the end of this course, you'll be able to handle string manipulation, work with regular expressions, and understand advanced topics like closures and bitwise operators. You’ll also improve your problem-solving ability by practicing exercises and applying JavaScript in real-world scenarios.
The course is structured into several key sections: you’ll start by mastering string manipulation and regular expressions, then move on to working with dates, cookies, dialog windows, and more. You’ll also gain hands-on experience with advanced topics like closures and best practices, including debugging and performance optimization. Each section contains practical exercises that will help reinforce your learning. With extra content on new JavaScript features like the Nullish Coalescing Operator and Arrow Functions, you’ll stay up-to-date with the latest in JavaScript development. This course is designed for intermediate learners, so while it covers foundational concepts, it also delves into the advanced nuances of JavaScript. This course is perfect for developers with a basic understanding of JavaScript who want to level up their skills and improve their coding practices. A general understanding of programming concepts is required, as the course is geared toward intermediate learners who want to improve their proficiency.
In this module, we will explore various string manipulation techniques in JavaScript. You'll learn how to use string methods for processing text and improve code readability by breaking long strings. We will also cover how to manage special characters in strings using escape sequences.
What's included
2 videos2 readings1 assignment
2 videos•Total 20 minutes
- Manipulating a string using String's methods•15 minutes
- Breaking string in many lines for readability and special characters•5 minutes
2 readings•Total 20 minutes
- Introduction to the Course 'Intermediate JavaScript & Best Practices'•10 minutes
- Full Specialization Resources•10 minutes
1 assignment•Total 15 minutes
- String - Assessment•15 minutes
In this module, we will dive into the powerful world of regular expressions in JavaScript. You'll learn how to match patterns within strings and extract data using match() and exec(). Additionally, we will practice applying RegExp to real-world scenarios like validating user passwords.
What's included
3 videos1 assignment
3 videos•Total 37 minutes
- Regular expressions•22 minutes
- Regexp match vs exec function•5 minutes
- EXERCISE: RegExp on practical example - testing password in input•9 minutes
1 assignment•Total 15 minutes
- RegExp - Assessment•15 minutes
In this module, we will focus on working with JavaScript's Date object to handle and manipulate date and time values. You’ll also build a real-time clock as a practical application to gain hands-on experience with time-based JavaScript functionality.
What's included
2 videos1 assignment
2 videos•Total 34 minutes
- Time manipulation with Date object•20 minutes
- Exercise: A Clock on your website•15 minutes
1 assignment•Total 15 minutes
- Date - Assessment•15 minutes
In this module, we will explore the concept of cookies and their role in storing user data. You'll learn how to create, delete, and retrieve cookies in a browser, along with techniques for managing special characters to ensure data integrity.
What's included
5 videos1 assignment
5 videos•Total 29 minutes
- What are cookies?•15 minutes
- Function for creating cookies•5 minutes
- Function for removing cookies•2 minutes
- Function for finding value of cookie by keyname•6 minutes
- Properly interpreting special characters - EncodeURIComponent method•2 minutes
1 assignment•Total 15 minutes
- Cookies - Assessment•15 minutes
In this module, we will explore JavaScript's dialog window methods, including confirm() and prompt(). These methods will help you interact with users and gather input or make decisions based on their responses, enhancing overall user experience.
What's included
1 video1 assignment
1 video•Total 6 minutes
- Confirm and prompt box•6 minutes
1 assignment•Total 15 minutes
- Dialog Window - Assessment•15 minutes
In this module, we will explore the various Math methods available in JavaScript for calculations and random number generation. You'll also get hands-on experience by building a random quote generator that demonstrates practical uses of these functions.
What's included
3 videos1 assignment
3 videos•Total 15 minutes
- Rounding numbers and the most useful Math methods•7 minutes
- Randomness•4 minutes
- EXERCISE: Random quotes•4 minutes
1 assignment•Total 15 minutes
- Math - Assessment•15 minutes
In this module, we will cover how to access and modify the browser's URL. You’ll learn how to dynamically change the location, enabling you to create interactive web applications that respond to the user's browsing experience.
What's included
1 video1 assignment
1 video•Total 3 minutes
- How to get and change location (URL) of your user?•3 minutes
1 assignment•Total 15 minutes
- Location - Assessment•15 minutes
In this module, we will focus on lazy loading for images, a technique that helps improve page load speed by deferring image loading until they are needed. This will enhance both performance and user experience, especially for image-heavy websites.
What's included
1 video1 assignment
1 video•Total 10 minutes
- Loading Images only when needed - save your bandwidth and improve user experience•10 minutes
1 assignment•Total 15 minutes
- Images - Assessment•15 minutes
In this module, we will build interactive projects like an image slideshow, animated transitions, and an image gallery with thumbnails. These exercises will help reinforce your understanding of JavaScript functionality and enhance your front-end development skills.
What's included
5 videos1 assignment
5 videos•Total 51 minutes
- Slideshow•11 minutes
- Slideshow animated in JS using CSS property transition•5 minutes
- Animation using setInterval that is supported in every web browser•5 minutes
- Image gallery with thumbnails•14 minutes
- Tooltip - how to create a hint box?•16 minutes
1 assignment•Total 15 minutes
- Exercises - Assessment•15 minutes
In this module, we will explore closures in JavaScript, a key concept that enables data encapsulation and function scoping. You'll see practical examples and learn how closures can be applied in real-world programming scenarios.
What's included
1 video1 assignment
1 video•Total 15 minutes
- What are closures on a practical example?•15 minutes
1 assignment•Total 15 minutes
- Closures - Assessment•15 minutes
In this module, we will delve into bitwise operators and explore their practical applications in JavaScript. This advanced topic will help you understand low-level programming techniques for optimizing performance and solving complex problems.
What's included
1 video1 assignment
1 video•Total 17 minutes
- Bitwise operators•17 minutes
1 assignment•Total 15 minutes
- Advanced - Optional Topics - Assessment•15 minutes
In this module, we will introduce powerful debugging techniques using Firebug and console commands like console.log() and debugger. Additionally, we’ll explore online tools that streamline testing and sharing of JavaScript code for better collaboration and troubleshooting.
What's included
4 videos1 assignment
4 videos•Total 14 minutes
- Firebug•3 minutes
- Debugging with console commands•4 minutes
- Great online tools for testing and sharing your code•5 minutes
- strict mode•2 minutes
1 assignment•Total 15 minutes
- EXTRA CONTENT 1: Debugging - Assessment•15 minutes
In this module, we will cover essential best practices for JavaScript performance optimization. You’ll learn strategies like script file management, code compression, and avoiding common pitfalls that will make your code more efficient and maintainable.
What's included
5 videos1 assignment
5 videos•Total 21 minutes
- Code performance•4 minutes
- Keeping one .js file•3 minutes
- Compressing JS files•4 minutes
- 7 most common mistakes you should avoid•7 minutes
- Changing IDE coloristics - keep your eyes healthy•3 minutes
1 assignment•Total 15 minutes
- EXTRA CONTENT 2: Best Practices - Assessment•15 minutes
In this module, we will explore the latest JavaScript features, including the nullish coalescing operator, arrow functions for array manipulation, and the modularization of code using export and export default. These updates will help you write cleaner, more efficient JavaScript.
What's included
3 videos1 reading3 assignments
3 videos•Total 29 minutes
- Nullish Coalescing Operator - ??•4 minutes
- Arrow functions - mapping and filtering arrays•11 minutes
- export vs export default in JS - how to organize code into modules?•14 minutes
1 reading•Total 10 minutes
- Conclusion to the Course 'Intermediate JavaScript & Best Practices'•10 minutes
3 assignments•Total 90 minutes
- Full Course Practice Assessment•15 minutes
- NEW JS Features - NEWEST STUFF - Assessment•15 minutes
- Full Course Assessment•60 minutes
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Frequently asked questions
Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.
If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.
Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.
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