sw.load.js

const registerServiceWorker = async () => {
    if ("serviceWorker" in navigator) {
      try {
        const registration = await navigator.serviceWorker.register("/sw.js", {
          scope: "/",
    });
    if (registration.installing) {
      console.log("正在安装 Service worker");
    } else if (registration.waiting) {
      console.log("已安装 Service worker installed");
    } else if (registration.active) {
      console.log("激活 Service worker");
    }
    } catch (error) {
      console.error(`注册失败：${error}`);
    }
  }
};
registerServiceWorker();