how to sort added elements in alphabetical order in javascript code example

Example 1: alphabetical order array javascript

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

Example 2: javascript compare and sort strings alphabetically

function sortString(str){
  var arr = str.split('');
  var sorted = arr.sort();
  return sorted.join('');
}Copy