How to get all items

this code i have only gets current item that are added, but i want to get all items that are created,

ntext.executeQueryAsync(
        function() {


            var camlQuery = new SP.CamlQuery();


            camlQuery.set_viewXml('<View><Query><Where><And><Gt><FieldRef Name=\'EventDate\' /><Value IncludeTimeValue=\'TRUE\' Type=\'DateTime\'>'
                + fromTime.toISOString() + '</Value></Gt><Gt><FieldRef Name=\'EndDate\' /><Value IncludeTimeValue=\'TRUE\' Type=\'DateTime\'>' + toTime.toISOString() +
                '</Value></Gt></And></Where></Query></View>');
            this.collListItem = list.getItems(camlQuery);
            context.load(collListItem);
            var listItemEnumerator = collListItem.getEnumerator();
            while (listItemEnumerator.moveNext()) {
                var oListItem = listItemEnumerator.get_current();
                var listDetails = oListItem.get_item('EventDate') +"      " + oListItem.get_item('EndDate');
                result = result + listDetails;

                alert(result);

            }