This content originally appeared on DEV Community and was authored by Mehul Lakhanpal
Q: Flatten a mixed array
 Concepts tested:
    • Recursion
    • Array flattening logic
    • Handling mixed data types
 Questions + Solutions:
 https://replit.com/@318097/DMG-R1-flatten#index.js
This content originally appeared on DEV Community and was authored by Mehul Lakhanpal