源代码转自b站up主CodingStartup起码课
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HTML
<header>
  <div><img src="https://assets.
  <div><img src="https://assets.
  <div><img src="https://assets.
  <div><img src="https://assets.
  <div><img src="https://assets.
  <div><img src="https://assets.
</header>
CSS
    body {
  margin: 0;
}

header {
  height: 160px;
  position: relative;
  overflow: hidden;
}

header > div {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  
  --offset: 0px;
  --blur: 2px;
}

header > div > img {
  display: block;
  width: 110%;
  height: 100%;
  object-fit: cover;
  
  transform: translatex(var(--offset));
  filter: blur(var(--blur));
}
JavaScript
const images = document.querySelectorAll('header > div > img')

document.querySelector('header').addEventListener('mousemove', (e) => {
  let percentage = e.clientX / window.outerWidth
  let offset = 10 * percentage
  let blur = 20
  
  for (let [index, image] of images.entries()) {
    offset *= 1.3
   
    let blurValue = (Math.pow((index / images.length - percentage), 2) * blur)
   
    image.style.setProperty('--offset', `${offset}px`)
    image.style.setProperty('--blur', `${blurValue}px`)
  }
})