jQuery 4.0.0 Beta: The Most Important Release for the Modern Web

TLDRjQuery 4.0.0 beta is finally here after 8 years of hard work. It removes support for older versions of Internet Explorer, eliminates deprecated APIs, and improves performance. The upgrade guide will help with the migration. The release also includes updates for automatic form data support, event order, binary data handling, and migration to ES modules. This release is crucial for maintaining the stability and usability of the web.

Key insights

🚀jQuery 4.0.0 beta is an essential release for the modern web, with significant improvements and updates.

🔥The release removes support for older versions of Internet Explorer and focuses on modern browser compatibility.

💥jQuery 4.0.0 beta includes the removal of deprecated APIs and introduces breaking changes to ensure a more stable codebase.

✨The release enhances performance, improves binary data handling, and updates event order for a more consistent experience.

📦The migration to ES modules and updates to the minifier make the jQuery source more accessible and easier to contribute to.

Q&A

Why is jQuery 4.0.0 beta important for the web?

—jQuery 4.0.0 beta is crucial for maintaining the stability, compatibility, and performance of the modern web. It removes outdated support, updates APIs, and enhances overall functionality.

What are the key updates in jQuery 4.0.0 beta?

—The key updates include removing support for older versions of Internet Explorer, eliminating deprecated APIs, improving performance, updating event order, enhancing binary data handling, and migrating to ES modules.

Will upgrading to jQuery 4.0.0 beta break my existing code?

—Upgrading to jQuery 4.0.0 beta may require some adjustments due to breaking changes. However, a comprehensive upgrade guide will be provided to assist with the migration process.

Can I still use jQuery with older versions of Internet Explorer?

—jQuery 4.0.0 beta removes support for older versions of Internet Explorer. If you need to support these browsers, it is recommended to continue using older versions of jQuery that provide compatibility.

How can I contribute to the jQuery project?

—With the migration to ES modules and updated minifier, contributing to the jQuery project has become easier. You can participate in discussions, submit bug reports, and contribute code changes on the jQuery GitHub repository.

Timestamped Summary

00:00jQuery 4.0.0 beta is finally released after 8 years of development.

01:30The release removes support for older versions of Internet Explorer and focuses on modern browser compatibility.

03:30Deprecated APIs are eliminated, and breaking changes are introduced to ensure a more stable codebase.

05:40Updates include enhanced performance, improved binary data handling, and a more consistent event order.

08:30The migration to ES modules and updates to the minifier make the jQuery source more accessible and easier to contribute to.

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