Move all zeros of the array to the end while maintaining the relative order of all non-zeros.

move0.js

/**
 * Given an array of integers, move all zeros of the array to the end while
 * maintaining the relative order of all non-zeros.
 * 
 * Example:
 * 
 * $ move0([1,3,0,111,57,0,5,0,9])
 * $ [1,3,111,57,5,9,0,0,0]
 */

const move0 = (arr) =>
  arr.reduceRight((acc, cur) => (acc[cur ? "unshift" : "push"](cur), acc), []);

console.log(move0([1, 3, 0, 111, 57, 0, 5, 0, 9])); // [1,3,111,57,5,9,0,0,0]