Window.open binary data pdf is downloading but not displaying pdf :Javascript

Question

HI I have base64 binary data for pdf and I'm trying to open in new window, it is getting downloaded but not opening , the new window is empty with about blank

<a click="openfile(sampledoc)"  href="#"><img src="some.png" /></a>

function openfile(binaryData){
 window.open('data:application/pdf;base64,'+binaryData, 'samplepdf', 'width=700px,height=600px');
}

Pdf is downloading perfectly but its not displaying in the opened window.

Pdf is displaying in new tab in firefox but in chrome its downloading but not displaying

What do you mean by base64 binary data? Base64 is a text form in the range of A–Z, a–z, 0–9 and = sign. — yavuzkavus
– yavuzkavus, Commented Apr 8, 2017 at 15:51
and the window.open signature is window.open(URL, name, specs, replace). So you should remove one of '_blank' or 'window'. Both does the same, except 'window' name can be used as a target. window.open('data:application/pdf;base64,'+binaryData, 'aMoreDescriptiveName', 'width=700px,height=600px') — yavuzkavus
– yavuzkavus, Commented Apr 8, 2017 at 15:55
I have modified question, can you please check now, in forefox its opening, but in chrome its downloading instead opwning — sudhir
– sudhir, Commented Apr 8, 2017 at 16:00

yavuzkavus · Accepted Answer · 2017-04-08 16:17:50Z

I tried this on both firefox and chrome, it was opened in a new window instead of downloading.

window.open("data:application/pdf;base64,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", "mypdf", "width=700px,height=600px");

May be it is related to chrome settings on your machine. Please try from another machine.

Opening/printing pdf on browsers is problematic. Some browsers open using adobe plugin, some uses pdf.js, some uses other methods, some downloads instead of opening.

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