How to define an array with conditional elements?

Question

how can i define conditional array elements? i want to do something like this:

const cond = true;
const myArr = [\"foo\", cond && \"bar\"];
         


        

Answer 1

const cond = false;
const myArr = ["foo", cond ? "bar" : null].filter(Boolean);

console.log(myArr)

Will result in ["foo"]