Want to know the actual usage of Math.max

Question

Math.max(1,2,3,4,5) What I want to know is how I can get and use this (1,2,3,4,5).

For example:

var a = [1,2,3,4,5]

var b = Math.max(a)

NaN

I want to use Math.max to get

Answer 1

var a = [1,2,3,4,5];

var b = Math.max(...a);

es6 extended operator , you can go to Baidu to find out