How to send a PDF file directly to the printer using JavaScript?

John Au-Yeung - Nov 13 '22 - - Dev Community

To send a PDF file directly to the printer using JavaScript, we create an object URL.

For instance, we write

const dataUrl = window.URL.createObjectURL(file);
const pdfWindow = window.open(dataUrl);
pdfWindow.print();
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to call createObjectURL with the PDF file to create the PDF file object URL string.

Then we open the dataUrl in a window wiith window.open.

Finally, we call print to open the print dialog to print the PDF.

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