jQuery
The classic DOM and Ajax convenience library.
jQuery is taught here in 3 lessons, running from Selectors and traversal through to AJAX helpers and why modern code moves on. Each lesson takes one topic, shows the working code, and links onward to the next, so the course can be read straight through in order.
| Track | Front-end Development |
| Lessons | 3 |
| Level | Beginner |
| Reading time | about 39 minutes |
| Prerequisites | Helpful, but not required: Angular |
Lessons
- Selectors and traversalWhat the jQuery function really returns, how to move around the document with traversal methods, and why chaining works at all.
- Events, effects and attributesThe single on/off API, delegated handlers that survive re-rendering, the animation shortcuts and their queues, and the attribute helpers.
- AJAX helpers and why modern code moves onThe ajax family, its Deferred objects, and an honest comparison with fetch and the native APIs that replaced the rest of jQuery.
More in Front-end Development
HTML CSS JavaScript TypeScript HTML DOM AJAX JSON Tailwind CSS Bootstrap 5 Foundation Vue.js React Next.js Angular ECharts Chart.js SVG Font Awesome
FAQ
How long does the jQuery course take?
It has 3 lessons, about 39 minutes of reading. Expect roughly twice that if you type out and run every example.
Do I need prior experience for jQuery?
Not strictly. It helps to have read Angular first, because some lessons build on it, but every lesson explains its own assumptions.
What should I read after jQuery?
Continue with ECharts (3 lessons), the next course in Front-end Development.
Last refreshed 2026-09-18.