innertext

lesson

browser-automation cdp web-scraping dom innertext false-positive data-quality

746 tok

Extracting URLs from a DOM by regex-matching innerText inflates the count 3x with URL-shaped garbage — match leaf elements and textContent instead

Scraping an affected-URL table out of a web console (Bing WMT Site Scan, over CDP), the obvious extraction is wrong in a way that returns a plausible number instead of an error: Three compounding faults, none of which throws: 1. Ancestors match too. querySelectorAll('a,div,span') selects nested…

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