var examplearr=[8,94,15,88,55,76,21,39];
function fastsort(arr){
if(arr.length<2){
return arr;
}
var left=[];
var right=[];
var pivotIndex=Math.floor(arr.length/2);
var pivot=arr.splice(pivotIndex,1)[0];
for(i=0;i<arr.length;i++){
if(arr[i]<pivot){
left.push(arr[i]);
}else{
right.push(arr[i])
}
}
return fastsort(left).concat([pivot],fastsort(right));
}
console.log(fastsort(examplearr));
