Browser Storage
Save data in the browser with localStorage, sessionStorage and IndexedDB.
What you'll learn
- Store and read JSON in localStorage
- Choose between localStorage, sessionStorage and cookies
- Use IndexedDB for larger data
- Handle storage errors and limits
About this course
You build a notes app that keeps working after a page reload and offline. You learn when to use each storage option, how to store JSON and how to handle quota and privacy limits.
Course curriculum
4 modules and 12 lessons over 4 weeks. Plan for about 12 learning hours.
01Web StorageWeek 1 · 3 lessons
- localStorage and sessionStorage
- Storing JSON
- The storage event
02IndexedDBWeek 2 · 3 lessons
- Databases and object stores
- Transactions
- A small wrapper library
03LimitsWeek 3 · 3 lessons
- Quota
- Private browsing
- What not to store
04Notes appWeek 4 · 3 lessons
- Saving notes
- Search
- Export and import
Project
Offline notes app. A notes app that saves to the browser and survives reloads and offline use.
Who this course is for
Learners building front-end apps that need to remember data.
Prerequisites
You know JavaScript and the DOM.
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.
