<script type="text/javascript">

        var temp=0, i, j;
        var arr = [2,5,4,3];
        for (i = 0; i < arr.length; i++)
        {
            //j必须从i的下一个位置数开始
            for (j = i+1; j < arr.length-i; j++)
            {
                if (arr[i] >arr[j + 1])
                {
                    temp = arr[i];
                    arr[i] = arr[j + 1];
                    arr[j + 1] = temp;
                }
                else { arr[i] = arr[i];}
                
            } 
            document.write(arr[i]);
        }
        
    </script>

function Sort(x)

{

for(var i=0;i<x.length;i++)

    {

        for(var j=i+1;j<x.length;j++)

        {

            if(x[i]>x[j])

                {

            var temp=x[i];
        x[i]=x[j];
        x[j]=temp;

                }

            }

    }

}