# Free JSFiddle tutorials for small business

> 3 free, step-by-step JSFiddle tutorials for small business: JavaScript, JavaScript and JavaScript. Practice in your browser, no coding.

Source: https://learn.ynteractive.com/content/tool/jsfiddle · Updated 2026-10-24 · Free from Stepthrough (https://learn.ynteractive.com)

Updated October 24, 2026

JSFiddle. These 3 free modules teach it by building real projects, not by reading about features: JavaScript: An Instant Quote Calculator for Your Website, JavaScript: Turn Invoice Dates into Due-Date Reminders and JavaScript: Pull Contacts from an API into a Table.

The JSFiddle modules cover JavaScript. Every module runs in a practice copy of JSFiddle, so you can learn it without an account, then set it up for real.

## 3 modules

- [JavaScript: An Instant Quote Calculator for Your Website](https://learn.ynteractive.com/content/js-quote-calculator): A beginner JavaScript walkthrough in the free JSFiddle: a four-line HTML form and a few lines of JavaScript that turn square feet into a price, with a minimum charge…
- [JavaScript: Turn Invoice Dates into Due-Date Reminders](https://learn.ynteractive.com/content/js-due-date-reminders): A beginner JavaScript walkthrough in the free JSFiddle: work out Net 30 due dates, count the days left and list every invoice as due or overdue, typing every line…
- [JavaScript: Pull Contacts from an API into a Table](https://learn.ynteractive.com/content/js-api-contacts-table): A beginner JavaScript walkthrough in the free JSFiddle: fetch contact data from a free practice API and show name, company and email in a table, typing every line…

## What you do in each module

- [JavaScript: An Instant Quote Calculator for Your Website](https://learn.ynteractive.com/content/js-quote-calculator) (about 12 minutes, 13 steps, beginner). You work through: The form, The price rule and Connect the button.
- [JavaScript: Turn Invoice Dates into Due-Date Reminders](https://learn.ynteractive.com/content/js-due-date-reminders) (about 15 minutes, 11 steps, beginner). You work through: The list and today, Due dates and days left and Write the reminders.
- [JavaScript: Pull Contacts from an API into a Table](https://learn.ynteractive.com/content/js-api-contacts-table) (about 12 minutes, 9 steps, beginner). You work through: Look at the data, Fetch it and Build the table.

## Common questions

### How long will this take?

The 3 modules take about 39 minutes in total, and you can do them in separate sittings.

### Do I need experience first?

No. These modules are beginner level, and each step tells you exactly where to click.

### Do I need a JSFiddle account to start?

No. The practice runs in a copy of JSFiddle inside your browser, and nothing touches your real accounts. When you are ready, you repeat the steps in your own account.

### Is it free?

Yes. All 3 modules are free.

### Where should I start?

Start with [JavaScript: An Instant Quote Calculator for Your Website](https://learn.ynteractive.com/content/js-quote-calculator), then continue with [JavaScript: Turn Invoice Dates into Due-Date Reminders](https://learn.ynteractive.com/content/js-due-date-reminders).

## Frequently asked questions

**Are these JSFiddle tutorials free?**

Yes. All 3 live JSFiddle lessons here are free, and you can start without signing up. Each one is a real project you build step by step in a practice copy of JSFiddle that checks your work.

**Where should a beginner start with JSFiddle?**

Start with [JavaScript: An Instant Quote Calculator for Your Website](https://learn.ynteractive.com/content/js-quote-calculator), about 12 minutes. Every step shows you where to click, and "Do it for me" finishes any step you get stuck on.

**Do I need my own JSFiddle account to practice?**

No. The lessons run in a practice copy of JSFiddle in your browser, so nothing touches your real accounts. To build the same workflow for real afterwards you need your own JSFiddle account; check JSFiddle's current pricing first.

## Related

[JavaScript (3)](https://learn.ynteractive.com/content/course/javascript)

[All free tutorials](https://learn.ynteractive.com/content)

## How every module works

Each step is shown on the left, with a cursor pointing to exactly where to click. You do the same thing on the right, in a practice copy of the real tool. Get it right and it moves on. Nothing touches your real accounts until you're ready to build it for real.

[Start learning free](https://learn.ynteractive.com/)