window.addEventListener("beforeunload", (e) => {
const data = {name: ""};
window.navigator.sendBeacon("url", JSON.stringify(data));
});
window.addEventListener("beforeunload", (e) => {
const data = {name: ""};
window.navigator.sendBeacon("url", JSON.stringify(data));
});
本文标题：【备忘】关闭页面时怎么向后台发送消息
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