stringsort.js

let str = "adrianstatescu"

console.log(str)

let arr = [...str.toString()]

let finished = 0, swapped, size = arr.length;

while(!finished) {
  
       swapped = 0
  
       for(var i = 0; i < size - 1; ++i) {
         
               if(arr[i] > arr[i+1]) {
                   let holder = arr[i];
                       arr[i] = arr[i+1];
                       arr[i+1] = holder;
                       swapped = 1;
               }
       }
        if(swapped) size--; else finished = 1;
}
console.log(arr.join(""));