sample code Drag and Drop object in html css

what is the purpose of this function? To upload file?

As far as I know, there are some libraries which is provide upload functionality using drag n drop file.

One of them is jQuery UI.

sample code is here:

https://sourcecodeaplikasi.info/cara-membuat-fitur-drag-and-drop-file-upload-dengan-php-dan-jquery/

You can also using jQuery library. and using C# for backend.

https://makitweb.com/drag-and-drop-file-upload-with-jquery-and-ajax/

Check this:

    
    


    
Drag me!
    
Drop here!

    

    


    
Drag me
    


    

Hello

Please check the below HTML and CSS code for Drag and Drop.

Drag the W3Schools image into the rectangle:

Thanks