I will guess a timing problem, where you are "clicking" the button before the page JS has had a chance to respond to the form being filled in, or an event problem, where the page JS is expecting to see "key press" events as the form is filled in and your DOM manipulations are invisible to it.

In reply to Re: WWW::Mechanize::Chrome Instagram by jcb
in thread WWW::Mechanize::Chrome Instagram by damian1

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