Based on JavaScript, the information layer with an arrow following the mouse is displayed, and the javascript arrow is displayed.

Based on JavaScript, the information layer with an arrow following the mouse is displayed, and the javascript arrow is displayed.

For many websites, when the mouse is suspended on an element, an Information Description layer is displayed, and the layer can move with the mouse, and the pop-up layer has an arrow, this arrow points to the mouse hover element. The following describes how to achieve this through the instance code.
The code example is as follows:

<! DOCTYPE html> 
The above Code meets our requirements. When you place the cursor in the div, an information layer will pop up and you will be able to move the cursor. The graphic arrow at the pop-up layer will pop up, the code is very simple and I will not introduce it here. If you have any questions, please post a message or read it.

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