'How to scroll a chat view in a web WhatsApp app to bottom with N number of pixels in Java Script

I what to create an iPhone app which loads web WhatsApp in web view and scroll automatically to top/bottom the chat view content to specified number of pixels.

I am using a WKWebView and I need to inject a JavaScript code, which will run when I will press a button in iPhone app.

Can someone of you help me with JS code to do this?

This JS code should found a chat view content and scroll top/bottom with specified N pixels.

Example I want to scroll automatically the selected chat to bottom with 100 pixels.

Thank you in advance!

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iosscrollchatwhatsapp


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