How to define the max value in array[0].x;

Question

function s(x) {
this.x = x;
}
var array = [
[
new s(100),
new s(0),
new s(1020)
],
[new s(100)],
[new s(100)]
];
//the max value in array[0].x is 1020 but how to do it, please.

Answer 1

var max = Math.max(...array.flat().map(a=>a.x));
https://code.sololearn.com/WrCI9kkw5weV/?ref=app

Answer 2

Thank you.