How to store clicks count in database?

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import wixData from 'wix-data';

let clickCount;

$w.onReady(async()=> { 
    let loadedClickCount = await get_clickCounter();
    console.log("Loaded-Click-Counter: ", loadedClickCount);

    $w('#button7').onClick(() => {console.log("Button clicked!");
        clickCount++;
        let newCount = loadedClickCount + clickCount;
        $w('#text1').text = clickCount.toString();
        saveCount(newCount);
    }); 
});

function saveCount(newCount) {
    let toSave = {
        "_id":      "001",
        "count":    newCount
    };
    wixData.save("myCollection", toSave)
    .then((results) => {console.log(results);})
    .catch((err) => {console.log(err);});
}

function get_clickCounter() {
    return wixData.query("myCollection")
    .find()
    .then((res) => {
        if (res.items.length > 0) {console.log("Click-counter found and loaded!");
            let item = res.items[0];
            return item.Count           
        }
        else {console.log("No click-counter found! Nothing to load!");}
    });
}