How to check a check box in Haml using check_box_tag

Question

Can someone tell me how to set these check boxes to checked? I\'m sure it\'s simple, but after an hour of trying i think I need to ask! Thanks!

= form_tag mo         


        

Answer 1

Ref check_box_tag

check_box_tag "ratings[#{rating}]",  1, !!(rating.rating)

Your 2nd parameter must be value of checkbox

Your 3rd parameter must be a boolean condition which return true/false and depends on it checkbox is checked/unchecked