var key not found
there is a bug in master branch: master/src/jquery.relatedselects.js
$.each(opts.selects, function(){ selects.push(key); # var key is not defined });
should be
$.each(opts.selects, function(key){ selects.push(key); });
What's strange is that the bug isn't in the minified version, which works fine :/
Got no idea. It should raise variable not define exception if you review the code line: 33
https://github.com/ehynds/jquery-related-selects/blob/master/src/jquery.relatedselects.js#L33
I think the minified version is the 1.0 branch, at least that's what the comments say
Thanks to dazuiba, you sovled my problem.