Meta: I opened this on mobile in a background tab and was quite surprised that my browser (Chrome on iOS) forcibly switched tabs to focus on the new tab. It see

Meta: I opened this on mobile in a background tab and was quite surprised that my browser (Chrome on iOS) forcibly switched tabs to focus on the new tab. It seems it was because the site uses an alert to say "can't receive input on mobile". I guess this is the browser's default behaviour but seems like something that could be completely abused by spammers/advertisers.