Controlling Side Effects in React with useEffect

Handling Side Effects in React (useEffect) — Before & After While learning React, I faced a common side-effect issue. Calling a function directly inside a component makes it run on every re-render — even when clicking an unrelated button. This leads to unnecessary executions. 🟥 Before callOnce() was triggered on every render (Counter + Data). 🟩 After Using useEffect with a dependency array, the function now runs only when count changes. 💡 This is how useEffect helps us control side effects in React. Learning React step by step ⚛️ 🔗 Full explanation with code on Hashnode: 👉 https://lnkd.in/g8RfZ8J7 #ReactJS #useEffect #JavaScript #FrontendDeveloper #WebDevelopment #ReactHooks #CodingLife #LearnReact #DeveloperCommunity #100DaysOfCode #TechJourney #DevTips

  • graphical user interface, text, application

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