let m = new Map([['a', 2], ['b',4], ['c',6]]) console.log("Max:", Math.max(...m.values())) Run code snippet
let m = new Map([['a', 2], ['b',4], ['c',6]]) console.log([...m.entries()].reduce((a, e ) => e[1] > a[1] ? e : a)) Run code snippet