为什么茅台的股票能一直涨？一直就想不明白

//定时器
var timer = null;

//检测状态
function checkElementState(path,callback){
var ele = document.querySelector(path);
if(ele){
callback && callback();
}else{
console.log('异步加载元素中....' + path );
setTimeout( function(){checkElementState(path,callback);},200);
}
}



//点击购买按钮
function clickBuy(){

console.log('买！');

//票的数量 如果还不可以购买，这个地方获取会失败
var amount = document.getElementsByClassName('mui-amount-increase')[0];
amount && amount.click(); //+1

var btnBuy = document.querySelector('');

}


//结算
function checkOut(){


console.log('结算开始....');
var btn = document.getElementById('J_Go');

if(btn){
btn.click();
}else{
console.log('结算按钮没找到');
}

}

function checkOutAsync(){
checkElementState('#J_Go',checkOut);
}

//提交订单
function submitOrder(){

console.log('提交订单开始....');



checkElementState('.go-btn',function(){
var btn = document.querySelector(".go-btn");

if(btn){
btn.click();
}else{
console.log('提交订单按钮没找到');
}

});
}



//目标时间
var dDate = new Date(); //10 点和 20 点开抢
if( dDate.getHours() < 10 ){
dDate.setHours(9,59,59.2);
}else{
dDate.setHours(19,59,59.2);
}

//dDate.setSeconds( dDate.getSeconds() + 10 );

//进入时间判断循环
function enterTimeCheckLoop(callback){
var date = new Date();




var diff = Date.parse(dDate) - Date.parse(date) ;

console.log(diff);

if(diff < - 900 ){

console.log('时间过了！');

}else if(diff < 500 ) {

callback && callback();

console.log('时间到了！！！');

}else{
setTimeout(function(){ enterTimeCheckLoop(callback);},400);

//console.log('--');
}



}


//主要函数
function main(){
console.log('############################开始抢购茅台############################');

//debugger;

var href = window.location.href;
if(href.indexOf('cart.tmall.com') > -1 ){
//结算页面

//进入时间判断
enterTimeCheckLoop( checkOutAsync );


}else if(href.indexOf('buy.tmall.com') > -1 ){
//提交订单页面

submitOrder();
}

}


main();