JavaScript Debugging
Find bugs faster with breakpoints, the console and a repeatable debugging process.
What you'll learn
- Set line, conditional and event breakpoints
- Step through code and read the call stack
- Debug failed network requests
- Follow a repeatable debugging process
About this course
You fix a set of broken apps using Chrome DevTools. You learn breakpoints, watch expressions, the call stack, network debugging and a process that stops you from guessing.
Course curriculum
4 modules and 12 lessons over 4 weeks. Plan for about 12 learning hours.
01ProcessWeek 1 · 3 lessons
- Reproduce, isolate, fix
- Reading error messages
- Writing a minimal case
02DevTools SourcesWeek 2 · 3 lessons
- Breakpoints
- Stepping and call stack
- Watch expressions
03Beyond the codeWeek 3 · 3 lessons
- Network panel
- Storage and cookies
- Performance hints
04Bug huntWeek 4 · 3 lessons
- Five broken apps
- Fix notes
- Solution walkthrough
Project
Bug hunt. Five broken sample apps, each fixed and documented with the cause and the fix.
Who this course is for
Learners who debug with console.log and guesswork.
Prerequisites
You write JavaScript for the browser.
What's included
- 180-day course access
- Project brief
- Starter repository
- Coding labs
- Reference solutions
- One written project review
- A digital completion certificate
Learning format
Project-based online course, part of our guided project courses. One written project review.
Access and delivery
- Course access is delivered within 15 minutes after payment.
- Written project review is returned within 2 business days of submission.
- Completion materials are issued within 2 business days after the project is approved.
Certificate
You receive a digital completion certificate. Completion materials are issued within 2 business days after the project is approved.
Frequently asked questions
When does access start?
Course access is delivered within 15 minutes after payment.
Is payment taken on this website?
No. After you submit your enrollment request, we reply by email with payment details and enrollment confirmation.
Does this course guarantee a job or income?
No. It is an education and training service and does not include employment, income or placement guarantees.
Can I cancel?
Our Refund and Cancellation Policy lists the terms for project-based programs.