oninstall
特性为
ServiceWorkerGlobalScope
interface is an event handler fired whenever an
安装
event occurs (when the service worker installs). This happens before
activation
.
self.oninstall = function(event) { ... };
The following snippet shows how an
安装
event handler can be used to populate a cache with a number of responses, which the service worker can then use to serve assets offline:
self.oninstall = function(event) {
event.waitUntil(
caches.open('v1').then(function(cache) {
return cache.add(
'/sw-test/',
'/sw-test/index.html',
'/sw-test/style.css',
'/sw-test/app.js',
'/sw-test/image-list.js',
'/sw-test/star-wars-logo.jpg',
'/sw-test/gallery/',
'/sw-test/gallery/bountyHunters.jpg',
'/sw-test/gallery/myLittleVader.jpg',
'/sw-test/gallery/snowTroopers.jpg'
);
})
);
};
| 规范 | 状态 | 注释 |
|---|---|---|
|
服务工作者
The definition of 'Event Handlers' in that specification. |
工作草案 | 初始定义。 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
oninstall
|
Chrome 40 | Edge ≤79 |
Firefox
44
注意事项
|
IE 不支持 No | Opera 24 | Safari 11.1 | WebView Android 40 | Chrome Android 40 | Firefox Android 44 | Opera Android 24 | Safari iOS 11.3 | Samsung Internet Android 4.0 |
完整支持
不支持
实验。期望将来行为有所改变。
见实现注意事项。
ServiceWorkerGlobalScope