Load a PDF file into a Text Box.

I want to load a PDF file into a Text Box, I found working demo here [view-source:https://ift.tt/2tRIUxq] but when I download HTML + JS files, and I put in my server when I remove <base href=", and <select> elements, it doesn't work in my project - domain. Can someone modify demo HTML and js files to make this HTML run on all domains /offline mode, without that base href and select elements?
I think this problem is related to a file called "script19.min.js" which needs to...

Load a PDF file into a Text Box.

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