JS implementation click Login pop-up window at the same time the background color gradient animation effect _ javascript skills

This article mainly introduces how JavaScript achieves a gradient animation of the background color when clicking and logging in to the pop-up window. It involves some techniques related to JavaScript to trigger a gradient Animation Based on mouse events and time functions, for more information, see the example in this article. The following describes how to achieve a gradient animation of the background color when clicking on the login pop-up window. We will share this with you for your reference. The details are as follows: