Check if element is before or after another element in jQuery

Question

Let us suppose I have this markup

First
Hi
Hello
Second         


        

Answer 1

I implemented a general isAfter function, which considers the depth and DOM tree and can correctly determine if a is after b even if they are in 2 different subtrees:

  

    
I come first
  



  

    
I come second
  

you can find it in my GitHub Repository. Would appreciate your feedback on the code