javascript 双色球选号器

//随机生成号码
var a=["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28","29","30","31","32","33"];
var b=["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"];
function sendNum(arr,arr2){
    var x_arr=arr.slice(0);
    var p_arr=new Array();
    for(var i=0; i<6; i++){
        if(x_arr.length>0){
            var ar=Math.floor(Math.random()*x_arr.length);
            p_arr.push(x_arr[ar]);
            x_arr.splice(ar,1);
        }else{
            break;
        }
    }
    p_arr.sort();
    var b1=arr2[Math.floor(Math.random()*arr2.length)];
    document.getElementById("zhong_1000wan").innerText+=p_arr.join(" ")+" | "+b1+"\n";

}

调用

<a href="javascript:void(0);" onclick="javascript:sendNum(a,b);">随机选号</a>
<div id="zhong_1000wan"></div>