What Request Does Chrome Get For Downloading A File

Chrome at present supports the HTML spec's new download attribute to a elements. When used, this attribute signifies that the resource it points to should be downloaded by the browser rather than navigating to it.

From Downloading Resources:

The download attribute, if nowadays, indicates that the author intends the hyperlink to exist used for downloading a resource. The attribute may have a value; the value, if any, specifies the default filename that the author recommends for use in labeling the resource in a local file system. At that place are no restrictions on allowed values, but authors are cautioned that most file systems have limitations with regard to what punctuation is supported in file names, and user agents are likely to adjust file names appropriately.

The attribute can furthermore be given a value, to specify the filename that user agents are to employ when storing the resources in a file system. This value tin be overridden by the Content-Disposition HTTP header'due south filename parameter.

For instance, clicking the post-obit link downloads the .png equally "MyGoogleLogo.png" instead of navigating to its href value: download me. The markup is simple:

          <a href="http://spider web-primal.appspot.com/.../spider web-fundamentals-icon192x192.png" download="WebfundamentalsLogo">download me</a>

The existent benefit of a[download] will be when working with blob: URLs and filesystem: URLs URLs. Information technology'll give users a style to download content created/modified within your app.

Full Demo

One thing to note is that in the in a higher place example, the image has same origin with respect to website. If you endeavor to use a link of paradigm from different origin the link may not piece of work as a navigating link rather than a downloading link. This is because many versions of browser does not support the download policy on cross-origin files. For example Chrome versions prior to 65 did allow downloading cross origin files and it was deprecated in after versions. Read this for more than detail. You lot tin utilize Content-Disposition header to strength a download from other origin.

Browser support: only the current Chrome dev channel release (fourteen.0.835.fifteen+) supports this aspect.

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