jQuery 4: The Next Step in Simplifying JavaScript

Vitalii Shevchuk
4 min readMar 4, 2024

jQuery, the ubiquitous JavaScript library, has been a mainstay in web development for over a decade. It has simplified DOM manipulation, event handling, and AJAX interactions, making it easier for developers to build complex web applications. However, with the rise of modern JavaScript frameworks and the increasing capabilities of native browsers, many have questioned the continued relevance of jQuery.

The recent release of jQuery 4, however, suggests that the library is not only alive and well, but also actively evolving to meet the demands of modern web development. This update has been long-awaited and comes packed with enhancements, bug fixes, and some significant changes that streamline the library even further.

Breaking Changes and Modernization

One of the most significant aspects of jQuery 4 is its embrace of modern JavaScript practices. The library now requires a minimum supported browser version of Internet Explorer 11, dropping support for older versions that are no longer widely used. This move allows the jQuery…

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Vitalii Shevchuk

🔥 SR Frontend Dev from Amazon 🛒 Interviews 🎁 Web 3.0 🔬 Micro Frontend 🅰️ Angular 📊 d3 ⚛️ React 🧐 Monorepo