let arr = [22,12,44,33,7,40,5] console.log('befor sort'+[...arr]) function selctionSort(arr){ let index let value for(let i =0;i<arr.length-2;i++){ index = i value = arr[index] for(let j=i+1;j<arr.length;j++){ if(arr[j]<value){ index=j value=arr[j] } } arr[i]=arr[i]+arr[index] arr[index]=arr[i]-arr[index] arr[i]=arr[i]-arr[index] console.log([...arr]) } } selctionSort(arr) console.log('after sort'+[...arr])