JQuery JS Library

JQuery

Pros
  • AJAX alternative, AHAH (Asychronous HTML and HTTP)
  • Interface plugins
    • Drag 'n Drop
    • Visual Effects
    • Sortable lists
    • Tooltips
  • Event handling
  • XPath and CSS lookups
  • Clean DOM manipulation
  • Lightbox effect
  • Extremely small filesize (entire library ~50KB)
Cons
  • New toolkit
  • Small community
  • Minimal documentation

Differentiators

(plus) Lightweight JS
(plus) Drag/Drop, Animation, Sortables
(plus) Easy and robust event handling
(plus) Simple syntax, small learning curve
(plus) XPath and CSS lookups
(plus) Simple Ajax functions
(minus) New, unproven
(minus) Lacking documentation
(minus) Simplicity lacks robust features

DEMO: http://www.dojotoolkit.org/