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

if you are using es6, I would suggest

let array = [ "bike", "car", name === "van" ? "van" : null, "bus", "truck", ].filter(Boolean);

This array will only contain value "van" if name equals "van", otherwise it will be discarded.