Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
第一次发送小球坐标，在浏览接收到了，当第二次发送小球坐标时，不刷新浏览器就无法接收到小球的最新坐标，有什么方法可以实现不刷新浏览器就能接收到小球实时变化的坐标
http协议，只能浏览器主动请求。