ditto as above, another version
Code
var arr = ['scott',1,'sam','george',156,74,'Jazzy',197]
var names = []
var nums = []
for(var x=0;x<arr.length;++x){
if(isNaN(arr[x])){
names.push(arr[x])
}else{
nums.push(arr[x])
}
}
names.sort()
numbers.sort()
console.log(names)
console.log(nums)