March 18, 2013
@ 10:10 PM
JQuery:
  • Fast
  • Well documented
  • Easy to use
  • Chaining
  • Unlike Prototype it doesn't extend an object if you didn't specifically ask for it (try looping an array in Prototype)
  • easy-to-use Ajax (I love the $.ajaxSetup() function)
  • Nice event handlers
  • CSS selectors
  • filtering your selection
  • did I mention chaining?
  • Small (only 30 KB)
  • Nice little built-in effects.
  • Plugins
Dojo:
  • OOP (and other paradigms) done right.
  • Widget infrastructure done right.
  • Modules done right with all necessary goodies:
    • Lazy loading of modules dynamically.
    • Possibility to extract only necessary modules and build a custom one-file profile.
    • Asynchronous loading of modules if desired.
    • Simple integration with CDNs for heavy-duty web applications.
  • Sheer breadth of available modules in DojoX including graphics, charting, grids, and so on.
  • Ability to use it in non-browser environments.
  • Attention to details in widgets:
    • support for i18n (including LTR and RTL languages),
    • support for l10n (including standard date, currency, number formatting),
    • provisions for people with special needs (automatic high-contrast mode, keyboard-only support, and so on) — useful for regular users too, and mandatory for most government contracts.
  • Smart people in the community (last but not least) — as much as I love hand-holding for novices, at some point every developer becomes "seasoned" and needs much more than that.
reference: http://stackoverflow.com/questions/394601/which-javascript-framework-jquery-vs-dojo-vs