js 删除图片缓存

// 假设原图片URL为 'image.jpg'
let imageUrl = 'image.jpg';
// 添加随机参数
imageUrl += '?t=' + new Date().getTime();
// 或者添加版本号
// imageUrl += '?v=1.0.1';

// 使用新的URL加载图片
let img = new Image();
img.src = imageUrl;
document.body.appendChild(img);

// 注册Service Worker
if ('serviceWorker' in navigator) {
  navigator.serviceWorker.register('/service-worker.js').then(function(registration) {
    console.log('ServiceWorker registration successful with scope: ', registration.scope);
  }).catch(function(err) {
    console.log('ServiceWorker registration failed: ', err);
  });
}

// service-worker.js
self.addEventListener('fetch', function(event) {
  event.respondWith(
    caches.open('my-cache').then(function(cache) {
      return cache.match(event.request).then(function(response) {
        var fetchPromise = fetch(event.request).then(function(networkResponse) {
          cache.put(event.request, networkResponse.clone());
          return networkResponse;
        });
        return response || fetchPromise;
      });
    })
  );
});