JSFiddle - React, Tailwind, and code Playground

JavaScript

function sort(arr){
	var l = arr.length;
  var temp;
  
  for(var i = l; i>0; i--){
  	for(var j = 0;j<i;j++){
    	if(arr[j]>arr[j+1]){
      	temp = arr[j];
        arr[j] = arr[j+1];
        arr[j+1] = temp;
      }
    }
  }
  
  alert(arr)
}

sort([1,23,3,4,123,9])