Find more information on Category:JavaScript by searching one of Wikipedia's sibling projects:
Wiktionary (a free dictionary) 
Wikibooks (free textbooks) 
Wikiquote (quotations) 
Wikisource (a free library) 
Wikispecies (species directory) 
Commons (images and media) 
Wikinews (news stories)This category groups JavaScript scripts intended to simplify or aid contribution.