How and with what can you do a multi-line deletion?

Question

Java

How and with the help of what you can do multi-line deletion, as for example it is implemented here: https://editor.datatables.net/examples/simple/serv...
but there I do not have a manual for sending data to a servlet. If you need a link to the project, I can upload it to YaDisk

Answer 1

JS, ajax.