Automated Login with Puppeteer Stuck at Submit Button

Other Questions Puppeteer
1 
Hey everyone! I'm having trouble with Puppeteer during an automated login test. Everything works fine until it reaches the submit button.

Here's what's happening:
1. Puppeteer opens my login page
2. It enters the username and password correctly
3. But it can't click the submit button (with id #idSIButton9)

I've tried using `waitFor('#idSIButton9')` before clicking, but no luck. The test just hangs there. Any ideas what might be causing this?

Here's a simplified version of my code:

```javascript
const browser = await puppeteer.launch({ headless: false });
const page = await browser.newPage();
await page.goto('http://mysite.com/login');
await page.type('#username', 'myuser');
await page.type('#password', 'mypass');
await page.waitFor('#submitBtn');
await page.click('#submitBtn');

Any help would be awesome! Let me know if you need more details.

2

I’ve dealt with this kind of problem before, and it can be really frustrating. One thing that’s often overlooked is network conditions. Sometimes, the submit button might be there, but it’s not actually clickable due to ongoing AJAX requests or other background processes.

What I’ve found helpful is to use page.waitForNetworkIdle() before attempting to click. This ensures all network activity has settled. Here’s how you might modify your code:

await page.goto('http://mysite.com/login');
await page.type('#username', 'myuser');
await page.type('#password', 'mypass');
await page.waitForNetworkIdle();
await page.click('#submitBtn');

Also, double-check that ‘#submitBtn’ is the correct selector. Sometimes, the actual ID might be different from what you expect. You can use page.$$(‘#submitBtn’) to verify if the element exists on the page.

If none of these work, you might want to check the page’s JavaScript console for any errors that could be preventing the button from being clickable. Hope this helps!

3

I’ve encountered similar issues with Puppeteer before. One thing to check is if the submit button is inside an iframe. If so, you’ll need to switch to that frame before interacting with the button.

Another possibility is that the button might be disabled or not clickable immediately after the page loads. Try adding a short delay before clicking:

await page.waitForSelector('#idSIButton9');
await page.waitForTimeout(1000);
await page.click('#idSIButton9');

If that doesn’t work, you could try using JavaScript to click the button directly:

await page.evaluate(() => {
    document.querySelector('#idSIButton9').click();
});

Lastly, make sure the button ID is correct and consistent. Some sites use dynamic IDs that change on each page load. If that’s the case, you might need to use a more robust selector.

4

hey mate, have u tried using page.waitForNavigation() after clicking? sometimes the page needs a sec to respond. also, check if there’s any overlay or popup blocking the button. if nothing works, u could try using keyboard.press(‘Enter’) instead of clicking. good luck!