let numbers = (10, 15, 59, 20);
let a = Math.max(numbers);
console.log(a);

…which display 20 in the console. I’ve noticed that it always returns the last number of the numbers variable.

Then, i wrote this (I’ve found it on W3S and modify it a bit):

function myFunction() {
var a = Math.min(5, 10);
var b = Math.min(0, 150, 30, 20, 38);
var c = Math.min(-5, 10);
var d = Math.min(-5, -10);
var e = Math.min(1.5, 2.5);
console.log(a + "<br>" + b + "<br>" + c + "<br>" + d + "<br>" + e);
}

…which returns nothing.

So my question is: Do the Math methods work on the code editor of FCC? Or there’s an error in my code?

Thanks for help guys. I really enjoy the community.

Just to explain what you’re seeing, because it does trip people up: I assume you meant to write that as an array, but because you didn’t, the reason you’re getting 20 every time:

wrapping code in brackets like (10, 15, 59, 20) just tells JS to evaluate what is in the brackets.

commas are operators in JS, and the comma operator says “evaluate each value in turn and return the last one”

so that piece of code evaluates those numbers in turn: 10 is 10, 15 is 15, 59 is 59, 20 is 20. 20 is the last value, so that gets returned and assigned to numbers.

so the value of numbers is always 20. And Math.max(20) is always 20.

Thank you too for your reply! The title of my post is certainly a bit confusing and didn’t let enough space to an error of my part. I’ll try to not do the same mistake next time.