javascript apply on constructor, throwing “malformed formal parameter”

Question

thanks to wonderful responses to this question I understand how to call javascript functions with varargs.

now I\'m looking to use apply with a constructor

Answer 1

To complete @CMS solution and preserve the prototype chain, you can do this:

var mid_parser = {};
mid_parser.__proto__ = Parser.prototype;
Parser.apply(mid_parser, mid_patterns);

As a side note, it will not work with IE 8-.