Javascript file name download attribute path

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Stack Overflow works best with JavaScript enabled. Accept all cookies Customize settings. Now run the Index page in the browser and try clicking on any of the links. You will be prompted with a file download dialog. The download attribute can also be used in situations where some kind of content such as images, CSV, or XML is being generated in the browser dynamically.

Suppose you are using HTML5 canvas to draw some graphics in the browser. You want to allow the end user to download the canvas content as an image file. How would you do that? The download attribute along with data URLs can be used to accomplish this task. Let's see how. The download hyperlink placed below the canvas allows you to download the canvas graphics.

The Download JavaScript function is responsible for doing this job for us. It is shown below :. The Download function first draws a rectangle on the canvas and then clears a region from the rectangle. We won't go into any details of canvas element here.

Then we grab the reference to the download anchor element and set its href and download properties. The href property is set to a data URLntaining the base64 encoded e data. This is done using the toDataURL method of the canvas.

The download property is set to MyCanvas. Another use of the download attribute could be when you want the user to download dynamically generated CSV or XML data. Suppose you have a table displayed on a web page like this :. You can accomplish this task with a dash of jQuery code as shown below :. The above code wires the click event handler of the Download Table link. Upon clicking the link the code converts the table data into CSV.

This is done using a jQuery plugin - table2CSV. We grab the data in a variable. Moreover, we also set the download property of the hyperlink to EmployeeTable.

This way the download dialog will have the default file name of EmployeeTable. Online Courses ASP. The download attribute introduced in HTML5 comes handy in the following situations : You want the user to download a resource rather than navigating to it.

You want to assign some default file name for the file being downloaded. Note that the download attribute works only for same origin URLs. Let's try to use the download attribute in a simple ASP. NET Core razor page. This is how the physical image files are placed : Ok. GetFiles imagePath.

Then go to the Index. So far so good.