How to use CSS in front-end development to achieve Windows 10-style searchlight effects? If CSS is not implemented, what alternatives are there?

Simulate the Windows 10-style searchlight effect to improve user experience! This article discusses how to use CSS and JavaScript to achieve this effect in front-end development.

First, try a pure CSS implementation. box-shadow and transition properties are used to simulate the searchlight effect, but this method may be insufficient in complex scenarios. Here is a simple example:

 .container {
  width: 300px;
  height: 300px;
  background: #f0f0f0;
  position: relative;
  overflow: hidden;
  cursor: none; /* Hide the default cursor*/
}

.spotlight {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  position: absolute;
  pointer-events: none;
  box-shadow: 0 0 20px 20px rgba(255, 255, 255, 0.5);
  transition: all 0.3s ease;
  opacity: 0; /* Initial Hidden*/
}

.container:hover .spotlight {
  opacity: 1; /* Mouse hover display*/
  transform: translate(calc(var(--x) - 50px), calc(var(--y) - 50px));
}

.container:hover {
  --x: 0; /* Initialize variable*/
  --y: 0;
}

/* Dynamically set --x and --y */ using JavaScript

If CSS cannot meet the needs, JavaScript can be combined with more accurate control. Some related resources are available for reference:

• Examples similar to Windows 10 grid hover effect: These examples typically use JavaScript to precisely control the position and size of the searchlight, providing more complex interactions.
• CSS and JavaScript examples similar to Windows 10 calendar effects: These examples show how to create more granular visual effects using CSS and JavaScript.

With these examples and tutorials, you can learn how to enhance searchlight effects using JavaScript for more complex and precise user interactions. Choosing the right implementation depends on your specific needs and project complexity.

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