getting dynamic web page content

Hello everyone,

I know very little about Javascript. But, from the research I've done, it seems like the best tool for me to use for a project I am trying to do.

I wish to create an app that gets the content of a dynamic web page, looks for certain data, processes that data, and shows the user the results of that processing. I can handle the processing and the output. What I don't know is how to get the web page content.

I need the code for doing so. When I research this topic online, I...

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