Window.onappinstalled
Window 对象的 onappinstalled 属性用于处理 appinstalled 事件，该事件是一个实现了 Event接口的简单事件，会在网页应用成功安装为渐进式网页应用时立即触发。
语法
window.onappinstalled = function(event) { ... };
示例
window.onappinstalled = function(ev) {
console.log('The application was installed.');
};规范
| Specification | Status | Comment |
|---|---|---|
| Web App Manifest Window.onappinstalled |
Working Draft | Initial specification. |
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