25 lines
709 B
JavaScript
25 lines
709 B
JavaScript
self.addEventListener('install', function (event) {
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console.log('install')
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// 在安装阶段预缓存资源
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event.waitUntil(
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console.log('install.waitUntil')
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//caches.open('my-cache').then(function (cache) {
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// return cache.addAll([
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// '/index.html',
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// '/main.js',
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// '/style.css'
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// ])
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//})
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)
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})
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self.addEventListener('fetch', function (event) {
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console.log('fetch', event.request.url)
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// 拦截网络请求并返回缓存的资源
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event.respondWith(
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caches.match(event.request).then(function (response) {
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return response || fetch(event.request)
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})
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)
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})
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