Conditionally Render field Required Based on another field Value

Don’t give up hope.  :)   This community has more than enough JS slingers and who are willing to help.

Step 1:  

Post a few screenshots (redact if necessary to protect the innocent).  Need more information on your use case i.e models, if using Action Framework, etc. 

Writing the JS is the easy part.  Understanding the use case and determining the best approach is generally the more challenging problem.