Sometimes, we want to write data to a file using only JavaScript.
In this article, we’ll look at how to write data to a file using only JavaScript.
How to write data to a file using only JavaScript?
To write data to a file using only JavaScript, we can create a link.
For instance, we write
const a = document.createElement("a");
a.href = "data:application/octet-stream," + encodeURIComponent("My DATA");
a.download = "abc.txt";
a.click();
to create a link with createElement.
Then we set its href property to a base64 URL string with the file data.
And we set its download property to a string with the downloaded file’s name.
Then we call click to download the file.
Conclusion
To write data to a file using only JavaScript, we can create a link.
