Array.join(“\n”) not the way to join with a newline?

Question

I have an array..

[1,2,3,4]

and I want a string containing all the elements separated by a newline..

1

2

3

4


        

Answer 1

You may not want to use html_safe, like ajay said, depending on context. Html safe can be a security issue. This depends on if the original input was actually html safe. HTML safe should not be called on input direct from a user and typically should be called before the view.

https://bibwild.wordpress.com/2013/12/19/you-never-want-to-call-html_safe-in-a-rails-template/

[edited in response to comment below]