Php and JS paging. thank you!

I made a paging "technology" and "humanities" using JS, and then used php to do the paging of "previous page" and "next page, however, when you click the next page of "humanities", the page will jump to the "technology" page and then manually view the "humanities" page to see the selected next page. how can this problem be solved? Thank you! Pagination phpjavascript

I made a paging "technology" and "humanities" using JS, and then used php to do the paging of "previous page" and "next page, however, when you click the next page of "humanities", the page will jump to the "technology" page and then manually view the "humanities" page to see the selected next page. how can this problem be solved? Thank you!