javascript - Would delayed display of an email address be useful against email scrapers? -


assuming need public web page displays email information user of site. in addition obfuscation, javascript helpful?

settimeout(function(){     document.getelementbyid(id).innerhtml = "<span>" + username + "@" + hostname +  "</span>"; },50)

it entirely depends on spambot. could stop spambots, wouldn't stop scraper designed work around defense.

that's how arms races work.

it pretty straightforward build bot works around defense have in mind. use headless browser (such phantomjs) fetch page, evaluate javascript on page, wait arbitrary amount of time (say, 10 seconds), , then scrape dom email addresses.


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