Agent-readable demo data

Title

Dynamic Event Loading (JavaScript Scheduler) | DayPilot Pro for JavaScript Sandbox

Tree

DayPilot JavaScript Sandbox

Catalog root

Default

Description

Read more about dynamic event loading [doc.daypilot.org].

• Canonical HTML: /sandbox/scheduler/dynamic.html
• Markdown companion: /sandbox/scheduler/dynamic.md
• Folder: /sandbox/scheduler/
• Root: /sandbox/
• Catalog: /sandbox/llms.txt

Inline demo script 1

const dp = new DayPilot.Scheduler("dp", {
            startDate: "2026-01-01",
            cellGroupBy: "Month",
            days: 365,
            scale: "Day",
            treeEnabled: true,
            resources: [
                {name: "Room A", id: "A"},
                {name: "Room B", id: "B"},
                {name: "Room C", id: "C"},
                {name: "Room D", id: "D"},
                {name: "Room E", id: "E"},
                {name: "Room F", id: "F"},
                {name: "Room G", id: "G"},
                {name: "Room H", id: "H"},
                {name: "Room I", id: "I"}
            ],
            dynamicLoading: true,
            onScroll: async args => {
                args.async = true;

                // simulating a server-side call
                setTimeout(() => {
                    args.events = app.getEventData(args.viewport.start, args.viewport.end);
                    args.loaded();
                }, 100);
            }
        });
        dp.init();


        const app = {
            getEventData(from, to) {
                const events = [];

                // generate 10 new events
                for (let i = 0; i < 10; i++) {
                    const duration = Math.floor(Math.random() * 6) + 1; // 1 to 6
                    const startOffset = Math.floor(Math.random() * 6) + 1; // 1 to 6

                    const start = from.addDays(startOffset);
                    const end = start.addDays(duration);

                    const event = {
                        start: start,
                        end: end,
                        id: DayPilot.guid(),
                        resource: String.fromCharCode(65 + i),
                        text: "Event"
                    };

                    events.push(event);
                }

                return events;
            }
        };