Questions Tagged javascript

Answered: It’s now available in the latest sandbox build (2025.3.6591).

Answered: Hi Leo, Most likely, it‘s related to the row headers (number of columns, column titles…). You can also try posting the error stack trace.

Answered: Unfortunately, this is not possible - the areas can’t be changed dynamically. However, if you call update() , it will repaint the whole Scheduler, including the upper-left corner and its areas. When ...

Answered: The latest release ( 2025.3.6564 ) now detects the nonce used by scripts and stylesheets on the page and uses it when registering the built-in stylesheet. You shouldn’t see this error anymore. If you...

Answered: This data isn’t calculated for internal purposes. You will need to go through the events in events.list and calculate it directly from the data.

Answered: I have added this to the wishlist.

Answered: Hi Leo, The error #2 should be fixed now. There was an issue with events located next to a disabled parent row ( treePreventParentUsage: true ) when you tried to move them into the disabled row and s...

Answered: By default, events are rendered progressively and there is a small debouncing delay that makes the scrolling smoother . You can either turn progressive rendering off using dynamicEventRendering or yo...

Answered: I assume you mean the DayPilot.DatePicker component. In the latest sandbox build (2025.3.6533), you can now set a custom text of the “Today” button using the todayText property: const picker = new Da...

Answered: Sorry for the delay! You should be able to add links dynamically using links.add() in onMouseOver and remove them using links.remove() in onMouseOut . If there is any problem, please let me know.

Answered: Thanks. In such a zoomed-out view, the event width can get very small if you turn off the event boxes feature. With event boxes enabled (that’s the default setting), the event width is aligned with t...

Answered: datePattern is a property of DayPilot.Locale . You might want to check the locale value - it must be either a DayPilot.Locale object or a string identifier of a registered locale .

Answered: This looks like a regression of a bug that was fixed in 3.32.1 (incorrect args.cell.start / end in onTimeRangeSelect / onTimeRangeSelected events when heightSpec is set to "BusinessHoursNoScroll" ). ...

Answered: Hi Leo, This should be fixed now in the latest sandbox build (2025.3.6530). Please let me know if the problem persists.

Answered: I’ve added this to the wishlist, thanks for the suggestion.

Answered: There is a small delay before the tap-and-hold event action (moving, context menu) is activated (defined by tapAndHoldTimeout ). If the event is deleted during this time, you may see this error. In t...

Answered: The missing TypeScript definitions have been added now in the latest sandbox build (2025.3.6529). The only exception is DayPilot.GanttBeforeCellRenderArgs.cell.areas - this is already available but i...

Answered: The Navigator is limited to selecting a day, week, month or a custom day range (within the visible dates). At this moment we don’t plan to implement year selection and or times.

Answered: Most likely, you are using a reference to an old instance that has been disposed already. So I recommend checking how you get the reference and make sure that it’s not an obsolete one.

Answered: You can look at the height options , especially heightSpec: "Parent100Pct" . This setting makes the Calendar component expand to fill its parent element. A vertical scrollbar is added automatically, ...

Answered: Have you tried using heightSpec: "Max100Pct" ? This option is designed exactly for this use case. It will automatically stretch the height as needed, up to 100% of the parent div - then a vertical sc...

Answered: You can cancel the selection and place the caret at the start using the onAfterEventEditRender event: onAfterEventEditRender: args => { setTimeout(() => { args.element.setSelectionRange(0, 0); }, 0);...

Answered: In onEventEditKeyDown , the args.element property stores the <textarea> element used for editing. You can get the current text using args.element.value .

Answered: At this moment, the image export of the Calendar component doesn’t work for RTL. This feature is in the queue and it will be implemented in the near future.

Answered: Hi Roman, Since version 2023.4.5839 , the Calendar resources view supports a vertical timeline longer than 1 day. To display only 1 day on the vertical axis, you need to set the days property to 1 . ...

Answered: Hi Leo, It should be fixed now in the latest sandbox build (2025.3.6524). Please let me know if the problem persists.

Answered: You can use the eventEditMinWidth property to control the width. The Scheduler uses whichever is larger: the event’s width or the value of eventEditMinWidth .