Js Download File From Url

Active8 months ago

What is the best cross browser way to open a download dialog (lets assume we can set content-disposion:attachment in the headers) without navigating away from the current page, or opening popups, which doesnt work well in IE6.

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mkoryakmkoryak
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12 Answers

7 years have passed, ok.I don't know is it work for IE6, but this prompts OpenFileDialog in FF and Chrome.

0x000f0x000f

This javascript is nice that it doesn't open a new window or tab.

C++mozgrasmozgras
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I always add a target='_blank' to the download link. This will open a new window, but as soon as the user clicks save, the new window is closed.

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jaojao
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Put this in the HTML head section, setting the url var to the URL of the file to be downloaded:

Then put this in the body, which will start the download automatically after 5 seconds:

Aspx Download File From Url

(From here.)

George ClaghornGeorge Claghorn
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I've been looking for a good way to use javascript to initiate the download of a file, just as this question suggests. However these answers not been helpful. I then did some xbrowser testing and have found that an iframe works best on all modern browsers IE>8.

class='screenReaderText' is my class to style content that is present but not viewable.

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same as .visuallyHidden in html5boilerplate

Node Js Download File From Server

I prefer this to the javascript window.open method because if the link is broken the iframe method simply doesn't do anything as opposed to redirecting to a blank page saying the file could not be opened.

alockwood05alockwood05

I know the question was asked 7 years and 9 months ago but many posted solutions doesn't seem to work, for example using an <iframe> works only with FireFox and doesn't work with Chrome.

Best solution:

The best working solution to open a file download pop-up in JavaScript is to use a HTML link element, with no need to append the link element to the document.body as stated in other answers.

You can use the following function:

In my application, I am using it this way:

Working Demo:

Note:

  • You have to use the link.download attribute so the browser doesn'topen the file in a new tab and fires the download pop-up.
  • This was tested with several file types (docx, xlsx, png, pdf, ..).
cнŝdkcнŝdk
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Modifying the location of window might cause some issue especially when you have a persistent connection like websocket. So I always resort to good old iframe solution.

HTML

Javascript

BnrdoBnrdo
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If the link is to a valid file url, simply assigning window.location.href will work.

However, sometimes the link is not valid, and an iFrame is required.

Do your normal event.preventDefault to prevent the window from opening, and if you are using jQuery, this will work:

IvanH
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TaylorMacTaylorMac
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Using HTML5 Blob Object-URL File API:

loretoparisiJs Download File From Urlloretoparisi
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How about:

This way works on all browsers (i think) and let you put a message like: 'If the download doesn't start in five seconds, click here.'

If you need it to be with javascript. well..

Regards

oso96_2000

A small/hidden iframe can work for this purpose.

That way you don't have to worry about closing the pop up.

SimonSimon
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After hours of trying, the function is born :) I had a scenario where I had to display loader in time while the file is preparing for download:

Working in Chrome, Safari and Firefox

М.Б.М.Б.

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