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What is jQuery and why it is used on websites

Discover what jQuery is, how it simplifies JavaScript tasks and why it still appears in many websites and templates.

Published: 28/06/2026Updated: 28/06/2026

Introduction

jQuery is a JavaScript library that became very popular because it simplified tasks such as manipulating HTML elements, handling events and making asynchronous requests.

Conclusion

jQuery played an important role in frontend development. Even today it is still worth knowing because it remains present in many templates, plugins and older projects.