CODE EXAMPLE FOR JAVASCRIPT

how to get params from function js

var fn = function(/* whoa) */ hi, you){};

fn.toString()
  .replace(/((//.*$)|(/*[sS]*?*/)|(s))/mg,'')
  .match(/^functions*[^(]*(s*([^)]*))/m)[1]
  .split(/,/)

["hi", "you"]