Javascript file download from string

You can also specify an optional value for the download attribute to be used as a file name once it is downloaded. If the value is not provided, the original filename is used.

As you can see above, the download attribute is the easiest way to download a file on the browser. However, the download attribute only works in modern browsers. Internet Explorer does not support it. The idea is to programmatically create an anchor link, and then trigger the click event. This method is especially helpful for dynamically generated file URLs. Sometimes, you may want to save programmatically generated data as a file using JavaScript.

That's where blobs and object URLs are useful. How can I get this same effect, only with a string with csv data , not a file that already exists on the server? EDIT: the linked script now supports window. Below is a function I have writen in the past to handle such behavior it may require some tweaking :.

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I know if it were a file, the following would do it: window. Improve this question. In this approach, we will use the Axios library to download files. Blob stands for Binary Large Object and is a data type that can store binary data. This method is not restricted to the plain text entered by the user like the previous method. We can request any sort of data from an API and then use this approach to save data inside our computer.

All the major browsers support all the above methods except the method using the Axios library. Internet Explorer still does not supports the native ES6 promises, and Axios depends heavily on them. Download Algorithm Create a text area to enter the text data. This will help us to replace certain special characters with a combination of escape sequences.