Web Page Division is usually used to make organizations and arrangements for the home page. In fact, ingenious application of framing technology, you can also complete some important functions. This article describes three applications with hidden frames. How to hide the frame? The author hides the frame by setting the height of the frame (for upper, lower frame) to 0. The html file can be placed in the next frame, but it is not displayed on the overall version of the web page. In this example, the HTML code of the author constructed hidden frame is as follows: