React Bug That Breaks Live Search 😱 | useEffect Dependency Mistake Explained #shorts

Most React developers—especially beginners—make this silent useEffect dependency mistake without realizing it.

In this video, you’ll see:
✅ A real React bug
✅ Why typing in input doesn’t trigger API calls
✅ The wrong useEffect dependency
✅ The correct dependency array
✅ How React decides when to re-run side effects

❌ Wrong Code

useEffect(() = {
console.log("Fetching data for:", query);
}, []);

✅ Correct Code

useEffect(() = {
console.log("Fetching data for:", query);
}, [query]);

If your API, search, or fetch logic is NOT updating—this video explains why.

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Видео React Bug That Breaks Live Search 😱 | useEffect Dependency Mistake Explained #shorts канала CodeWithSanyogita