Code Impact

JavaScript is weird, aur ye code uska sabse bada proof hai! 🤯 Did you guess the output correctly?
Jab aap do empty arrays [] + [] ko add karte ho, toh lagta hai error aayega ya ek naya array banega. Lekin JavaScript inhe pehle String mein convert karta hai! Ek empty array banta hai empty string “”. Toh “” + “” ka result bhi hota hai ek empty string.
Ye choti si trick top MNCs ke interview rounds mein freshers aur experienced developers dono ko confuse kar deti hai.
Drop “ARRAY” in the comments agar aapko ye pehle se nahi pata tha, aur main is confusing series ka Part 2 jaldi launga! 👇

Variable scoping trap. How to save yourself from this while coding. This is a classic example of fall loop where output differs when you use var and output differs when you use let

JavaScript Loose Equality Problem. Learn how to build production ready apps and avoid these tricky bugs.