异步

    function duqs() {
        return new Promise((reslove, reject) => {
            chrome.storage.sync.set({ zhh: "baoc" }, function () { 
                console.log(3);
                reslove();
            });
        });
    }
    async function duq() {
        let item = await duqs();
        console.log(item, "item");
        console.log(4);
    }


    console.log(1);
    duq()
    console.log(2);