You’re not “behind.”
You’re exactly where someone who’s trying should be.
Ndeye Fatou Diop
@ndeyefatoudiop.bsky.social
198 followers 370 following 910 posts
Senior Frontend Engineer | 5+ years of experience I share tips to help overwhelmed junior frontend developers 🎉 . Join for free 👉 www.frontendjoy.com/subscribe
![const expensiveValue = useMemo( () => compute(a, b), [a] );](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreicjqzjbzxo42sd77ch5y3uowfb47qij5bsbi7ki4npqajtqpvi2ny)
![useEffect(() => { const interval = setInterval(doStuff, 1000); return clearInterval(interval); }, []);](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreicoyrm5s5gwvxirt6snj65tfse575ywkbc3udjvynaxoqevgcdpoa)
![useEffect(() => { fetch('/api/user'); setLoaded(true); }, []);](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreierftobpsu4xls5sddkgitl3lutep7xxvyjfc2xnzd6prlxvtezz4)
![const MyComponent = () => { if (someCondition) { const [state, setState] = useState(false); } };](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreialnnt5rtu42pmtn2jpbooxszlj7rqjmanwsamnxgz72ciomxcmmq)
![const nums = [1, 2, 3, 4]; const result = nums.reduceRight( (acc, n) => acc - n ); console.log(result); // => ((4 - 3) - 2) - 1 = -2](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreigl7gvo3hvoknxcuqyuqfchgook2gdnuzfutjxde6iuh37whqse6a)
![const obj = { name: "Fatou" }; Object.defineProperty( obj, 'hidden', { value: 42, enumerable: false } ); console.log( Object.getOwnPropertyNames(obj) ); // ["name", "hidden"]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreibzghmowi4pft4oc42hvqzxvd6enwtyp2vpoepycextirmf36yaty)
![const [user, setUser] = useState( { name: "Fatou", age: 31 } ); // ... // Inside callback function setUser({ website: "frontendjoy.com" });](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2m7qyhcuom4ys7236avtegg2/bafkreiaahqxxr2uky5nmuxuzmy4dckzvjajepkowp7vdmivifokc24qu6y)
