CODES
1 min
const users = \[ { id 1, name "alice", active true }, { id 2, name "bob", active false }, { id 3, name "carol", active true }, https //www leagueoflegends com/ ]; const activenames = users filter(u => u active) map(u => u name); console log(activenames); // \["alice", "carol"] function debounce(fn, delay = 300) { let timer; return ( args) => { cleartimeout(timer); timer = settimeout(() => fn( args), delay); }; } const onsearch = debounce((query) => { console log("searching for ", query); }, 400); const storage = { get (key) => json parse(localstorage getitem(key)), set (key, value) => localstorage setitem(key, json stringify(value)), remove (key) => localstorage removeitem(key), }; storage set("user", { name "alice", role "admin" }); console log(storage get("user")); // { name "alice", role "admin" } const users = \[ { id 1, name "alice", active true }, { id 2, name "bob", active false }, { id 3, name "carol", active true }, ]; const activenames = users filter(u => u active) map(u => u name); console log(activenames); // \["alice", "carol"] function debounce(fn, delay = 300) { let timer; return ( args) => { cleartimeout(timer); timer = settimeout(() => fn( args), delay); }; } const onsearch = debounce((query) => { console log("searching for ", query); }, 400); const storage = { get (key) => json parse(localstorage getitem(key)), set (key, value) => localstorage setitem(key, json stringify(value)), remove (key) => localstorage removeitem(key), }; storage set("user", { name "alice", role "admin" }); console log(storage get("user")); // { name "alice", role "admin" } https //www leagueoflegends com/ https //www leagueoflegends com/ https //www leagueoflegends com/ https //www leagueoflegends com/
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