Create a message board with the drop-down function

If there are too long messages in the message board with the pull-down function, the page will be very long. do you think it is uncomfortable for those long message boards, each time, the scroll bar is highlighted many times.
If only the title appears at the beginning, you can click the title to see the content below (note that it is not a pop-up window). Is this good!
Next, let's take a look at how to implement:
First, set the ID of each title and content. this is the ID of the first message. we set the title ID to td1 and the content to tdd1.

Here is the title



Here is the content

Close




"Onclick = goit (tdd1) onmouseout = noit (td1) onmouseover = onit (td1 )"
The three sentences are the mouse event. noit () and onit () only change the color. goit () is the function to open or close the content. the specific function is as follows: