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'''Unobtrusive Javascript''' is a new approach to adding enhanced functionality to web pages with Javascript. It follows the lead of [[CSS]], which allowed styling to be extracted from [[HTML]] into a seperate layer, by moving [[Javascript]] out of the main HTML document and assigning it via structural hooks. This leads to more readable, maintainable and re-usable code.

== Unobtrusive Javascript in Moodle ==

Moodle now supports the [[Development:YUI|Yahoo! user interface library]] which includes unobtrusive javascript as one of its primary design goals (along with [[Development:Progressive enhancement|Progressive enhancement]] and [[Hijax]]).

== Unobtrusive Javascript and Accessibility ==

Javascript, and particularly [[AJAX]], are often seen as incompatible with the goals of [[Accessibility]] but as long as the various related best practice are followed then the opposite is the case and these technologies can make web apps more [[Usability|usable]] and accessible. Unobstrusive javascript can certainly aid this process, though use by itself does not guarantee accessibility.

== See also ==

* [[Javascript]]
* [[AJAX]]
* [[Hijax]]
* [[Progressive enhancement]]
* [http://www.onlinetools.org/articles/unobtrusivejavascript/ online self-training course for Unobtrusive Javascript] (with emphasis on [[Accessibility]]) 
* [[Javascript FAQ]]
 
[[Category:Developer|JavaScript]]
[[Category:Accessibility|JavaScript]]
[[Category:Javascript]]
[[Category:AJAX]]