Answers for "× TypeError: users.map is not a function"

× TypeError: users.map is not a function

//× TypeError: users.map is not a function
const[data, setData] = useState([])

typeerror categories.map is not a function

const[data, setData] = useState([])

.map is not a function

Object.keys(someObject).map(function(item)...
Object.keys(someObject).forEach(function(item)...;

// ES way
Object.keys(data).map(item => {...});
Object.keys(data).forEach(item => {...});