How to get all items that are created in List

this code display the values from the textboxes in an alert box when u add in, how could i get all items and display the date and time? Here is my code.

context.executeQueryAsync(
        function() {


            var camlQuery = new SP.CamlQuery();


            camlQuery.set_viewXml('<View><Query><Where><And><Leq><FieldRef Name=\'EventDate\' /><Value IncludeTimeValue=\'TRUE\' Type=\'DateTime\'>'
                + fromTime.toISOString() + '</Value></Leq><Geq><FieldRef Name=\'EndDate\' /><Value IncludeTimeValue=\'TRUE\' Type=\'DateTime\'>' + toTime.toISOString() +
                '</Value></Geq></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);

            }