how to compare alphabetical order in javascript using 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 alphabetical sort in order

function alphabetized(s) {
 var ans="";
 for (var i=97; i<123; ++i)
   for (var j=0; j<s.length; j++)
     if (s[j].toLowerCase().charCodeAt()==i)
     ans+=s[j]
 return ans
}