# Localization (Open-Source JavaScript Event Calendar) | DayPilot Lite for JavaScript Demo

> Note: Read more about the [event calendar localization](https://doc.daypilot.org/calendar/localization/) [doc.daypilot.org].

## Links

- Canonical HTML: /demo/lite/calendar/localization.html
- Source HTML folder: /demo/lite/calendar/
- Catalog root: /demo/lite/
- Catalog: /demo/lite/llms.txt

## Source

### Inline demo script 1

```javascript
const dp = new DayPilot.Calendar("dp");

        // view
        dp.startDate = "2021-03-25";
        dp.viewType = "Week";
        dp.locale = "de-de";

        dp.headerDateFormat = "dddd";

        // event creating
        dp.onTimeRangeSelected = function (args) {
            var name = prompt("New event name:", "Event");
            if (!name) return;
            var e = new DayPilot.Event({
                start: args.start,
                end: args.end,
                id: DayPilot.guid(),
                text: name
            });
            dp.events.add(e);
            dp.clearSelection();
        };

        dp.onEventClick = function (args) {
            alert("clicked: " + args.e.id());
        };

        dp.init();


        const app = {
            elements: {
                locale: document.querySelector("#locale")
            },
            init() {
                this.addEventHandlers();
                this.loadEventData();
            },
            addEventHandlers() {
                app.elements.locale.addEventListener("change", function() {
                    const locale = app.elements.locale.value;
                    dp.update({locale});
                });
            },
            loadEventData() {
                const events = [
                    {
                        start: new DayPilot.Date("2021-03-25T12:00:00"),
                        end: new DayPilot.Date("2021-03-25T12:00:00").addHours(3),
                        id: DayPilot.guid(),
                        text: "Special event"
                    }
                ];
                dp.events.list = events;
                dp.update();
            }
        };
        app.init();
```