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<!DOCTYPE HTML>
<html>
<body>
<script>
const data = [
{id: 1, name: 101},
{id: 2, name: 202},
{id: 3, name: 303},
{id: 4, name: 405},
{id: 5, name: 505},
{id: 6, name: 606}];
var max = Math.max.apply(Math, data.map(function(o) {
return o.name; }));
console.log(max);
</script>
</body>
</html>
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let m = new Map([['a', 2], ['b',4], ['c',6]])
console.log("Max:", Math.max(m.values()))
Run code snippet
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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