/en/tags/puppeteer/Recent content in Puppeteer on Mi&Bee BlogHugo -- gohugo.ioen蓝宝石的傻话Fri, 15 May 2026 00:00:00 +0000/en/posts/aihelper/headless-browser-early-error-capture/Fri, 15 May 2026 00:00:00 +0000/en/posts/aihelper/headless-browser-early-error-capture/<h2 id="introduction">Introduction</h2> <p>You&rsquo;re debugging a frontend engineering issue — the page is behaving abnormally. You ask an AI to open the page with a browser tool and check the console for errors.</p> <p>The AI opens the page, scans around, and tells you: <strong>The console is clean, no errors whatsoever.</strong></p> <p>You&rsquo;re skeptical. You open Chrome DevTools yourself — three bright red errors are staring you in the face, the page has already crashed into a white screen. The AI visited the exact same page using a Headless browser, <strong>so why did it catch nothing?</strong></p>