Business scenario: The online PDF download function is required. At the beginning, a third-party PDF.js is used. After checking, it is found that it does not work.

directory

 

Browser PDF cancellation method:

Add code to the required URL address

Pdf.js undownload:

Browser PDF cancellation method:

Add code to the required URL address

'#toolbar=0'
Copy the code

Added code:

or

After modification, look at the effect:

The entire row of black bars is gone

The job is done!

 

By the way

Pdf.js undownload:

Viewer.html adds hidden styles.

Viewer. Js annotates the following code. The number of lines varies according to the version, and it is recommended to use the compiler CTRL + F to retrieve the download.

One other thing, this version is different, the code is different, and the comment out method is the same

OK, you’re done!

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