Selecting a country shows the courses available in your region.
⏱ 2h 42m📚 27 lessons🎧 Audio version
Foundational JavaScript Objects and Data Structures
This course guides JavaScript beginners through organizing complex data, allowing them to confidently read, write, and manipulate objects and modern data structures.
💬AI instructor Ask about any lesson and get a clear answer instantly, anytime.
🕐Start anytime No schedules or deadlines — learn at your own pace, whenever suits you.
🌐In English Lessons, tasks and certificate — all fully in your language.
About this course
Handling data effectively is crucial for building any useful application in JavaScript. Without a solid understanding of how data is structured, your code quickly becomes unmanageable and difficult to maintain.
By the end of this course, you will possess the foundational knowledge needed to choose the right data structure for any situation, whether you are dealing with configuration settings, lists of items, or complex nested information. You will move beyond simple variables to structure data like a professional developer.
What you'll learn:
* Understand the core differences between primitive types and complex data structures like objects and arrays.
* Learn how to create, access, and safely manipulate object properties using bracket and dot notation.
* Master the use of advanced structures including Map and Set for specific data storage needs and improved performance.
* Practice efficient iteration techniques using modern methods like for...of, Object.keys(), and array iteration functions.
* Apply techniques like the spread operator and destructuring for clean, readable data extraction and merging.
The course begins with defining basic data types and progresses systematically through objects and arrays, covering creation, manipulation, and iteration patterns. We conclude by exploring modern data structures and advanced manipulation techniques for handling complex nested data.
This course is designed exclusively for beginners who are new to JavaScript or need to solidify their understanding of core data structures. No prior programming experience is required.
Start structuring your JavaScript data effectively today.
Course contents
What you'll get
📜Certificate of completion Add it to your LinkedIn profile
💬Personal AI tutor Stuck on a lesson? Ask your built-in tutor anything, any time.
🎧Audio version included Learn on the go — no screen needed
♾️Lifetime access Come back anytime, no expiry
📱Phone or computer Works anywhere, any device
💸14-day refund No questions asked
⚡Short & focused 2h 42m of practical content
Certificate of completion
Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.
P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Foundational JavaScript Objects and Data Structures
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Foundational JavaScript Objects and Data Structures