How to wait for page loading when using casperjs?

Question

I am trying to scrape a webpage which has a form with many dropdowns and values in the form are interdependent. At many point I need the code to wait till the refresh of the

Answer 1

Seems there are no real solutions. http://docs.casperjs.org/en/latest/modules/casper.html#waitforselector is an available workaround which may not work always.