In front-end development, how to use CSS and JavaScript to achieve searchlight effects similar to Windows 10 settings interface?

Front-end implementation of simulating the searchlight effect of Windows 10 settings interface

In web design, simulating the searchlight effect when the mouse hovers in the Windows 10 setting interface can improve the user interaction experience. This article discusses how to achieve this effect using CSS and JavaScript.

Relying solely on CSS, although ::before and ::after pseudo-elements and CSS3 animation properties (such as clip-path and gradient background) can be used to simulate simple circular light effects, it is difficult to fully reproduce the complex effects of Windows 10.

If more precise control and more complex animations are needed, you need to combine JavaScript. JavaScript allows us to accurately track the mouse position and update the position and animation of the light effect in real time, thus achieving a more realistic searchlight effect.

Here are some implementation ideas and examples:

1. CSS-based grid hover effect: This method mainly uses CSS to change the background and border color of the mouse hover element to simulate simple lighting effects. This works for simpler grid layouts.

2. Calendar effects based on CSS: This method cleverly uses box-shadow and background-clip properties to simulate lighting effects. Again, the effect is relatively simple.

3. Combining HTML, CSS and JavaScript calendar effects: This method dynamically controls the position and animation of light effects through JavaScript, achieving more complex interactions and smoother dynamic effects, closer to the actual effects of Windows 10. JavaScript can handle mouse events, calculate the offset between the center point of the light effect and the mouse position, and adjust the style and position of the light effect accordingly.

In short, implementing the searchlight effect of the Windows 10 setting interface requires the coordinated work of CSS and JavaScript. CSS provides basic styles and animations, while JavaScript is responsible for more refined interaction and dynamic effect control. Which method to choose depends on the complexity of the final effect and performance requirements. More complex interactions and animation effects require the participation of JavaScript.

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