Float Your webpage title

If you use WebQQ, you may find that every time you receive the message, you will see the title prompt

If you use WebQQ, you may find that every time you receive the information, you will see the user or group prompted by the title. Then, the title of the webpage will start to float and be user-friendly, very interesting. This effect is actually not difficult. Here we have achieved this effect. For the demonstration, please refer to the title on this page.

The following is the JavaScript implementation code, which should be well understood with comments.