js随机生成N位数

function RondomPass(number){
    var arr = new Array;
    var arr1 = new Array("","","","","","","","","","");

    for(var i=;i<number;i++){
        var n = Math.floor(Math.random()*);
        arr[i] =arr1[n] ;
        //document.write(arr1[n]);
    }

    val = arr.join("")
    //document.write(val);
    return val;    

}
RondomPass（）

适用于 随机生成密码