问无效选择器/错误:没有为选择器找到节点

EN

const product_url = "https://www.amazon.co.uk/Usoun-Multi-Angle-Heat-Vent-Adjustable-Compatible/dp/B086HNM8F7/ref=sr_1_7?crid=16VVWBHJOOAYE&keywords=laptop+stand+adjustable&qid=1645642193&sprefix=laptop+stand+adjustable%2Caps%2C75&sr=8-7"

async function givePage() {
    const browser = await puppeteer.launch({ headless: false });
    const page = await browser.newPage();
    return page;
}

// helper function which checks for a possible cookie popup (in puppeteer this will always occur except you work with `data_dir` property.
async function acceptCookies(page) {
    try {
        console.log('try accepting cookie consent.')
        // accept cookies. Button is clickable via id!
        const btn = await page.waitForSelector('#sp-cc-accept')
        await btn.click()

        console.log('Cookie consent accepted!')
    } catch(err) {
        console.error('Could not accept cookies..')
    }
}

async function buyNow(page) {

    // using networkidle0 for waiting for the page to be loaded correctly.
    // No other waiting needed then!
    await page.goto(product_url, { waitUntil: 'networkidle0'})

    // make sure to accept cookies on page load
    await acceptCookies(page)

    // the very parent element of the ID button makes the click finally work.
    // clicking on the input itself did not work for me
    const selector = '#buyNow_feature_div'

    // use waitForSelector in case something gets rendered. This 
    // returns the element immediatly if found. 
    const el = await page.waitForSelector(selector)

    // element handles can directly be pressed!
    await el.click()

    // wait for the navigation to occur!.
    await page.waitForNavigation()

    console.log('naviagtion done..')
    // show an alert after the buy button was clicked..
    await page.evaluate(() => alert('Buy button was pressed!'))
   
    // ... other code
    
    // await browser.close()

}

async function checkout() {
    var page = await givePage();
    await buyNow(page);
}


checkout();