Js download file from url with name






















The download attribute in HTML 5 is used to download files when users click on the hyperlink. We are required to set the href attribute specifying the source of the file. The value of the download attribute determines the name of the downloaded file. If this value is removed, then the downloaded filename will be the same as the original file name.

In the above code, we download an image apple. Then we also created a download button to facilitate downloading files. In the past, popular browsers have made automatic downloads difficult to execute due to safety concerns. This way of making JavaScript download files allows users to retrieve the content provided in the text area. The file reaches the computer device as a simple. The declared function sets a download attribute where you get to name the file.

The encodeURIComponent function then encodes the content. The click method prompts the download process to start as you click the download button. There is another option for downloading files without contacting the server.

This time, we are using a JavaScript library called FileSaver. The example below presents the syntax to implement the saveAs FileSaver interface:. It sets the file to a Blob value. For instance, it is useful for preventing sensitive information from being sent to external servers. It includes but is not limited to multimedia objects , programs , and code snippets. The variable 'link' goes out of the scope at the end of the function note we never added it to the dom so will be garbage collected shortly after.

This only works in Chrome. I tried with download. Show 8 more comments. Zibri Zibri 7, 2 2 gold badges 43 43 silver badges 39 39 bronze badges. Now they both work. This works in most modern browsers, but I'd note that appending to the document then removing is necessary to support some older browsers. Your second solution should be used whenever the dataUri becomes too big depends on the browser, but Chrome does not accept Uri of multiple megabytes in my experience.

See also stackoverflow. Pekka Pekka k gold badges silver badges bronze badges. The new download location seems to be github. If you can't use Flash but are running a Java server-side component, you can use this: github. It uses a Servlet to 'bounce' the data from client. It would be fairly easy to perform the same trick in other server side technologies, such as Python, ASP. NET etc — Andrew Newdigate.

Is there a way to do it without flash? Downloadify expects flash player in the browser. If the user has no flash player, then file won't download — Jeevanandan J. Martino Dino Martino Dino 6 6 silver badges 14 14 bronze badges. Unfortunately, it doesn't work in Safari.

Safari doesn't seem to recognize the download attribute. Thanks anyways, this is as close as I can get at the moment. Thanks, also if btoa is not defined e.

BBaysinger 5, 11 11 gold badges 55 55 silver badges bronze badges. Just did a quick check on IE11, it works. Thanks a lot! The browser will release all object URLs when the document is closed or reloaded. However, it is a good practice to release object URLs whenever they are no longer required to improve performance and minimize memory usage.

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