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15 JavaScript Practice Exams and Question Banks

This page brings together fifteen JavaScript practice exam and question‑bank courses from Udemy, covering a range of topics from general JavaScript interview preparation to specialised Salesforce developer exams and full‑stack development. Prices vary from $19.99 for concise question collections to $199.99 for more extensive project‑based courses, giving you options that match different budget levels and learning goals.

Each listing includes a brief description of the material you can expect, such as interview questions, quiz‑app building exercises, or practice exams aligned with certification pathways. By comparing the focus, depth and cost of these courses, you can decide which resource aligns best with your current skill level and the credential you are targeting.

Courses compared
15
Price range
$19.99 – $199.99
Providers
Udemy, Coursera
Last updated
18 Sep 2026
How these 15 courses were chosen

Every course below is a real, currently listed course from Udemy, Coursera, matched to "javascript" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.

The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.

There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $199.99, as listed by the provider when we last updated the page.

  1. 1
    Udemy MOOC / Non-credit Practice questions Grade B Lowest price here

    +99 Interview Questions every 7 days JAVASCRIPT + REACT

    Do you tremble with anxiety because you’re unprepared for technical interviews and face the recruiter head on real-world hiring processes?Are you lacking experience with the real challenges tested in assessments?Do you f...

    $19.99
    listed price
  2. 2
    Udemy MOOC / Non-credit Practice questions Grade B

    Salesforce JavaScript Developer I: 300+ Questions and Answer

    Ready to pass the Salesforce JavaScript Developer I certification on your first attempt?This comprehensive practice test course delivers 300 expertly crafted questions across 6 full-length practice exams that mirror the...

    $24.99
    listed price
  3. 3
    Udemy Certificate Practice questions Grade B

    Object oriented programming with Javascript - Build Quiz App

    Practice makes perfect. Start your journey into becoming a professional front end web developer here! Learn how to create a real world Object Oriented programming based Dynamic Quiz app with Timer!At DigiFisk, we like ma...

    $199.99
    listed price
  4. 4
    Udemy Certificate Practice questions Grade B

    IBM Full-Stack JavaScript Developer Practice Exams

    Frontend Development focuses on building responsive, interactive, and user-friendly interfaces using HTML, CSS, JavaScript, and modern frameworks like React. It emphasizes component-based architecture, state management,...

    $19.99
    listed price
  5. 5
    Udemy MOOC / Non-credit Practice questions Grade C

    Build a Quiz App with HTML, CSS, and JavaScript

    The Hyper Text Mark up Language or HTML is the standard mark up language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets and scripting languages...

    $19.99
    listed price
  6. 6
    Udemy Certificate Practice questions Grade C

    Practice exams: Salesforce Certified JavaScript Developer I

    Unlock Your Success with Salesforce Certified JavaScript Developer I Practice ExamsPrepare with Confidence: Gain an edge with not one, not two, but three meticulously crafted, high-quality practice exams. Our Salesforce...

    $24.99
    listed price
  7. 7
    Udemy Certificate Practice questions Grade C

    Salesforce Javascript Developer 1 Practice Exam Tests 2026

    Master the Salesforce JavaScript Developer I Certification Exam with Our Expertly Curated Practice TestsPrepare with confidence for the Salesforce JavaScript Developer I certification exam using our in-depth and carefull...

    $19.99
    listed price
  8. 8
    Udemy Certificate Practice questions Grade C

    Salesforce Certified JavaScript Developer Exam Questions

    About the Salesforce JavaScript Developer CertificationThe Salesforce Certified JavaScript Developer credential is for individuals with experience building front-end or back-end JavaScript applications for the web stack....

    $19.99
    listed price
  9. 9
    Udemy Certificate Practice questions Grade C

    Salesforce Certified Javascript Developer I Exam Questions

    Salesforce Certified JavaScript Developer ICourse Description:The "Salesforce Certified JavaScript Developer I" course is designed to prepare candidates for the Salesforce JavaScript Developer I Exam. This comprehensive...

    $19.99
    listed price
  10. 10
    Udemy Certificate Practice questions Grade C

    API Quiz Game JavaScript Project Google SpreadSheet Data

    Explore how to connect to a Google Sheet Data as a JSON feed and use the data to create a dynamic web quiz game application Welcome to the course that will show you how you can apply JavaScript to connect to a web API -...

    $199.99
    listed price
  11. 11
    Udemy MOOC / Non-credit Practice questions Grade C

    400+ JavaScript Interview Questions Practice Test [2026]

    JavaScript Interview Questions and Answers Preparation Practice Test | Freshers to ExperiencedWelcome to our comprehensive JavaScript Interview Questions Practice Test Course, the ultimate resource for aspiring JavaScrip...

    $74.99
    listed price
  12. 12
    Udemy Certificate Practice questions Grade C

    JavaScript Skills Assessment 300 MCQs to Sharpen Your Skills

    JavaScript is one of the most in-demand programming languages in the world—and mastering it can open the door to countless career opportunities in web development, software engineering, and beyond.This course is designed...

    $19.99
    listed price
  13. 13
    Udemy Certificate Practice questions Grade C

    Certified JavaScript Developer JSNAD Practice Exams

    Certified JavaScript Developer JSNAD Practice Exams Course Details and Comprehensive Preparation. Welcome to the ultimate, meticulously crafted resource designed to elevate your professional profile and empower your care...

    $29.99
    listed price
  14. 14
    Coursera MOOC / Non-credit Practice questions Grade B

    TypeScript Interview Mastery – 2026 Q&A

    Offered by Packt

    This course features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the co...

    $49.00
    listed price
  15. 15
    Coursera MOOC / Non-credit Practice questions Grade B

    React Native - Complete Guide + E-Commerce + Interview Q&A

    Offered by Packt

    This course features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the co...

    $49.00
    listed price

JavaScript Practice Exams and Question Banks compared

Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.

What the prices here tell you

The 15 priced courses on this page run from $19.99 to $199.99, with the middle of the range around $24.99 — a spread of $180.00. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.

Who is behind these courses

These courses come from Udemy and Coursera. The platforms differ in how they sell: some charge once per course, others expect a subscription, and the listed price is not always what you pay at checkout after a promotion.

Courses versus exam preparation

15 of the entries here are built around a certification exam rather than teaching Javascript from scratch. They are the right choice only if you already know the material and want to pass a specific exam; if you are starting out, pick one of the taught courses first and come back to exam preparation afterwards.

Before you enrol

Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 18 September 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.

Frequently asked questions

What types of JavaScript topics are covered by the courses on this page?
The courses range from general interview question banks and quiz‑app projects to Salesforce‑specific JavaScript developer exams and full‑stack development practice exams. This provides coverage of both core language fundamentals and specialised frameworks or platforms.
Who would benefit most from the lower‑priced $19.99 courses?
Learners seeking a focused set of practice questions or short project guides without a large time commitment may find the $19.99 courses suitable. They are also useful for quick revision before an interview or certification test.
Are there any courses aimed at certification preparation?
Yes, several courses target Salesforce JavaScript developer certifications, offering practice exams and question banks designed to mirror the official exam format and content.
How do the higher‑priced $199.99 courses differ from the cheaper options?
The $199.99 courses include more extensive project work, such as building a complete quiz application or a full‑stack development exam suite, which typically requires a deeper time investment and covers a broader set of skills.

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