Is there a random function in javascript that doesn't take the range of two numbers? [duplicate]

Question

I want the computer to randomly choose either 8 or 2. I tried doing (Math.random()*8)+2, it chooses a random number BETWEEN 8 and 2 but I want the computer to randomly choose 8 or 2.

So I tried a different way, and I did this:

if(b==0){
var a = 2;
}
else{
var a = 8;
}

However, it is not working. Is there a more efficient and better way?

Thank you, Paul

Choose a random number of either 0 or 1. 0 maps to 8 and 1 maps to 2. See here stackoverflow.com/questions/5915096/… — Paul Rooney
– Paul Rooney, Commented Dec 5, 2020 at 4:33

Matthew Gaiser · Accepted Answer · 2020-12-05 04:34:35Z

3

Something like this should do.

function randomSelection(values) {
  return values[Math.floor(Math.random() * values.length)];
}

numbers = [2,8];
randomSelection(numbers);

answered Dec 5, 2020 at 4:34

Matthew Gaiser

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