function prevPage() {
          tableOffset -= tablePageSize;
          updateTable();
          addExtras();
        }
// Callback function for clicking "Prev" page button
Callback function for clicking "Prev" page button
Callback function for clicking " Prev " page button
function prevPage() {
          tableOffset -= tablePageSize;
          updateTable();
          addExtras();
        }
function prevPage ( ) { tableOffset -= tablePageSize ; updateTable ( ) ; addExtras ( ) ; }
Callback function for clicking "Prev" page button
Callback function for clicking " Prev " page button