jQuery Core 3.0 Upgrade Guide

Overview Browser Support jQuery Migrate Plugin Summary of Important Changes Ajax Breaking change: Special-case Deferred methods removed from jQuery.ajax Breaking change: Cross-domain script requests must be declared Breaking change: Hash in a URL is preserved in a jQuery.ajax() call Feature: New signature for jQuery.get() AND jQuery.post() Attributes Breaking change: .removeAttr() no longer sets properties to … Continue reading

jQuery Core 1.9 Upgrade Guide

Overview jQuery Migrate Plugin Changes of Note in jQuery 1.9 .toggle(function, function, … ) removed jQuery.browser() removed .live() removed .die() removed jQuery.sub() removed .add() .addBack( selector ) replaces .andSelf() .after(), .before(), and .replaceWith() with disconnected nodes .appendTo, .insertBefore, .insertAfter, and .replaceAll Ajax events should be attached to document Checkbox/radio state in a .trigger()ed "click" event … Continue reading

Download jQuery

link Downloading jQueryCompressed and uncompressed copies of jQuery files are available. The uncompressed file is best used during development or debugging; the compressed file saves bandwidth and improves performance in production. You can also download a sourcemap file for use when debugging with a compressed file. The map file is not required for users to … Continue reading

jQuery Core 3.5 Upgrade Guide

link jQuery.htmlPrefilter changeslink A workaroundIf you want to upgrade to jQuery 3.5.0 or newer and don't have time to deal with breaking changes at the moment, and you use jQuery Migrate 3.4.0 or newer, you can revert to the previous behavior by invoking: 1 jQuery.migrateEnablePatches( "self-closed-tags" ); As long as this method has been called, … Continue reading

Browser Support

Current Active Support Desktop Chrome: (Current – 1) and Current Edge: (Current – 1) and Current Firefox: (Current – 1) and Current, ESR Internet Explorer: 9+ Safari: (Current – 1) and Current Opera: Current Mobile Stock browser on Android 4.0+[1] Safari on iOS 7+[1] [1] Workarounds for Android Browser 4.0-4.3 & iOS 7 are present … Continue reading

jQuery Meetups

Meetups are a great way to meet other community members, expand your knowledge, socialize, and show off what you've been working on. Thousands of developers get together every month all over the world to share their knowledge. Check out meetup.com to find a jQuery or JavaScript meetup near you. Can't find a meetup near you? … Continue reading


Download jQuery v3.7.0 The 1.x and 2.x branches no longer receive patches. View Source on GitHub → How jQuery Works → Lightweight Footprint Only 30kB minified and gzipped. Can also be included as an AMD module CSS3 Compliant Supports CSS3 selectors to find elements as well as in style property manipulation Cross-Browser Chrome, Edge, Firefox, … Continue reading