🔗 GUVI Day Seventeen task

Task : Call back hell simulation

Created task deployed on below links :

Deployed in Netlify

Deployed in Github.io

Note: Constraints, not to use named function, set interval, incursion, IIFE & looping.

Note: On these task apart from constraints, set timeout is not mentioned, so for acheiving call back hell, set timeout used repeatedly to call back display countdown timer