• Intro to AutoHotkey HotStrings with AutoHotkey Intermediate AutoHotkey GUIs are Easy with AutoHotkey Intro to DOS & AutoHotkey

08: Automating Chrome with AutoHotkey: How to handle EventListeners & custom edit fields

Automating Chrome with AutoHotkeyAutomating Chrome with AutoHotkey: handle EventListeners & custom edit fields


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Automating Chrome with AutoHotkey Script to Handle EventListeners & custom edit fields

Notes on handle EventListeners & custom edit fields

00:09     When web scraping, often there will be buttons I can’t press, text that doesn’t get “acknowledged” that it has been entered, etc.
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Web Scraping with AutoHotkey 109a- Triggering an EventListener on a page

Triggering an EventListener
You ever plugging along on web scraping a page and have a problem with an element (drop down, edit field, radio button, etc) not updating?  Chances are the page has an EventListener watching that element for a specific Event type.  We used to be able to reliably “click” an element or send .fireEvent(“onchange”) / .fireEvent(“onclick”) however more and more pages are using this newer approach where they build an Event Listener and monitor for events on a given element.

If you’re not a programmer (like me), this was very problematic to deal with as the EventListener is located in a different place in the DOM.  In the below video I walk through how to spot the problem and offer up a couple of solutions (like Visual Event) that should greatly help. The second video below demonstrates using my updated AutoHotkey syntax writer.

Triggering an EventListener on a page

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Updated AutoHotkey Syntax Writer

Here I demonstrate using my updated AutoHotkey Syntax writer to provide the needed information for the Events.

  • Intro to AutoHotkey HotStrings with AutoHotkey Intermediate AutoHotkey GUIs are Easy with AutoHotkey Intro to DOS & AutoHotkey