bubble_sort.js

function bubbleSort(arr) {
  let swapped = true;
  
  while(swapped){
    swapped = false;
    
    for(let j = 0; j < arr.length - 1; j++){
      if(arr[j] > arr[j+1]){
        swapped = true;
        
        let temp = arr[j];
        arr[j] = arr[j+1];
        arr[j+1] = temp;
      }
    }      
  }
  
  return arr;
} 

//outputs [1,2,3,4,5,6,7,8]
console.log(bubbleSort([1,2,5,3,7,8,6,4]));