function _itemsPerPage() {
            var itemsPerPage = 1,
                $items = self.$hintMenu.find("li"),
                $view = self.$hintMenu.find("ul.dropdown-menu"),
                itemHeight;

            if ($items.length !== 0) {
                itemHeight = $($items[0]).height();
                if (itemHeight) {
                    // round down to integer value
                    itemsPerPage = Math.floor($view.height() / itemHeight);
                    itemsPerPage = Math.max(1, Math.min(itemsPerPage, $items.length));
                }
            }

            return itemsPerPage;
        }
function _itemsPerPage() {
            var itemsPerPage = 1,
                $items = self.$hintMenu.find("li"),
                $view = self.$hintMenu.find("ul.dropdown-menu"),
                itemHeight;

            if ($items.length !== 0) {
                itemHeight = $($items[0]).height();
                if (itemHeight) {
                    // round down to integer value
                    itemsPerPage = Math.floor($view.height() / itemHeight);
                    itemsPerPage = Math.max(1, Math.min(itemsPerPage, $items.length));
                }
            }

            return itemsPerPage;
        }
function _itemsPerPage ( ) { var itemsPerPage = 1 , $items = self . $hintMenu . find ( "li" ) , $view = self . $hintMenu . find ( "ul.dropdown-menu" ) , itemHeight ; if ( $items . length !== 0 ) { itemHeight = $ ( $items [ 0 ] ) . height ( ) ; if ( itemHeight ) { // round down to integer value itemsPerPage = Math . floor ( $view . height ( ) / itemHeight ) ; itemsPerPage = Math . max ( 1 , Math . min ( itemsPerPage , $items . length ) ) ; } } return itemsPerPage ; }
Calculate the number of items per scroll page.
Calculate the number of items per scroll page .
Get items per page