I\'m wondering how it\'s possible to \'translate\' characters in UTF-8 to the closest ASCII equivalent using Javascript, just like Iconv doest in PHP.
Example:
ü
As @Pointy said, your only option is to map/replace characters according to a dictionary.
You'll find this really useful: https://github.com/backbone-paginator/backbone.paginator/blob/a579796a30e583c4dfa09e0a86e4abd21e0b5b56/plugins/diacritic.js