function makeKey ( length ) { let result = "" ; const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" ; const charactersLength = characters . length ; for ( let i = 0 ; i < length ; i ++ ) { result += characters . charAt ( Math . floor ( Math . random ( ) * charactersLength ) ) ; } return result ; } export default makeKey ;