Learn how to use JavaScript’s fs library module to create, read, write, and stream common file types in the JavaScript runtimes Node, Deno, and Bun.

Do you need to find a Spring Boot file upload that uses Ajax and works with Spring MVC web apps? This example uses HTML5 file input fields and a pure JavaScript Ajax call to accomplish the task.

In this example, we will compare the built-in, multipart form handling capabilities of the standard Jakarta Servlet API with the facilities provided through the Apache Commons FileUpload library.