冒泡算法的三种JavaScript表示

var R1=new Array();
R1[1]=35;
R1[2]=55;
R1[3]=65;
R1[4]=20;
R1[5]=30;
R1[6]=25;
R1[7]=0;
R1[8]=7;
R1[9]=5;
R1[10]=3;
var R2=new Array(35,55,65,20,30,25,0,7,5,3);
var R3=new Array(35,55,65,20,30,25,0,7,5,3);

function BubbleSort1()
{
    var n=R1.length-1;
    for(var i=1;i<n;i++)
    {
        var flag=false;
        for(var j=n-1;j>=i;j--)
        {
            var temp;
            if(R1[j+1]<R1[j])
            {
                temp=R1[j+1];
                R1[j+1]=R1[j];
                R1[j]=temp;
            }
            flag=true;
        }
        if(!flag) return;        
    }
}

function BubbleSort2()
{
    var n=R2.length;
    for(var i=0;i<n-1;i++)
    {
        var flag=false;
        for(var j=n-2;j>=i;j--)
        {
            var temp;
            if(R2[j+1]<R2[j])
            {
                temp=R2[j+1];
                R2[j+1]=R2[j];
                R2[j]=temp;
            }
            flag=true;