Let`s start development from declaring simple function based on window.open method: window.
The download attribute specifies that the target will be downloaded when a user clicks on the hyperlink. Together they seems to be perfect solution for JavaScript files downloading. The download property sets or returns the value of the download attribute of a link. During investigation of the question some interesting solutions were found. It informs the browser to download the requested URL instead of navigating to it. The download attribute The download attribute was added to the anchor element in HTML 5. You can either use the anchor's download attribute or programmatically create an object URL in JavaScript. Generally there are two file downloading techniques in HTML/JS: window.open and mouse click / tap on link. There are multiple ways available to download a file in JavaScript. If you don`t like to dive deep into theory – you can just get library from GitHub and use downloadFile global function in your project.
This article describes how to create the best download function in JavaScript and why it`s so good. 20XX :: ? Considering Zip, Tar, and other multi-file outputs, option, and more, stay tuned folks.Download file in JavaScript – what can be easier? However there are some pitfalls and there is room for improvements.2014 :: v4 adds AMD/UMD, commonJS, and plain browser support.
That should cover the basics, but if you need more concrete examples Read on I have included a zip file with all the source code at the start of this tutorial, so you don’t have to copy-paste. Sad that this great feature works in Chrome only, but 35 of happy users are serious reason to add 5 more lines of code. To download a file using Javascript fetch, return the result as a blob, and create a download link to the blob object. Now, theres a 5 second delay between the download and the popup close.
Android support starts at 4.2 for the built-in browser, though chrome 36+ and firefox 20+ on android 2.3+ work well.Devices without file systems like iPhone, iPad, Wii, et al.You can expect it to work for the vast majority of your users, with some common-sense limits: Compatibilityĭownload.js works with a wide range of devices and browsers. This returns a Blob instance, which we can then pass to URL.createObjectURL(). While optional, it helps the browser present friendlier information about the download to the user, encouraging them to accept the download.
StrMimeType The MIME content-type of the file to download.