需要使用node.js对浏览器进行简单的数据推送

On the server side, I use node.js to do some distributed asynchronous ping-pong. I now need to display the results as a real-time chart in a client browser. To keep things simple, I am presently using the image-based Google chart URL and restricting the amount of data to be plotted. Eventually this client-side display piece will be rich & interactive.On the server side, I use node.js to do some di