Browser concepts every frontend dev MUST know 🌐 #webdev #javascript #browserapi

Description

The browser knowledge gap between junior and senior devs — exposed. Topics covered: → How the Event Loop actually works → Critical Rendering Path explained simply → Reflow vs Repaint (and why it kills performance) → How the DOM and CSSOM merge → Async vs Defer in script loading Understand these = write faster, bug-free code. 🔔 Follow for more frontend deep dives! #webdev #javascript #browserapi #frontenddeveloper #eventloop #webperformance #dommanipulation #jsinterview