how to alplhabetize an array code example

Example 1: alphabetical order array javascript

arr.sort(function(a, b) {
    return a === b ? 0 : a < b ? -1 : 1;
  });

Example 2: string sort javascript

var names = ["Peter", "Emma", "Jack", "Mia"];
var sorted = names.sort(); // ["Emma", "Jack", "Mia", "Peter"]