Javascript How to define multiple variables on a single line?

Question

Reading documentation online, I\'m getting confused how to properly define multiple JavaScript variables on a single line.

If I want to condense the following code,

Answer 1

Specifically to what the OP has asked, if you want to initialize N variables with the same value (e.g. 0), you can use array destructuring and Array.fill to assign to the variables an array of N 0s:

let [a, b, c, d] = Array(4).fill(0);

console.log(a, b, c, d);