Move one mouse to show the effect of a large image

To create a page, you need to use this function, that is, when the mouse goes through the thumbnail, the thumbnail's big image is displayed at the same time.

To create a page, you need such a function: When the mouse goes through the thumbnail, the thumbnail's big image is displayed at the same time. After searching on the Internet, there are too many garbage stations, so I wrote one myself. It is relatively simple, but I will record it here. The browser test has not been done yet. It is okay to run it in Chrome. It is for your reference only.

Effect demonstration Code