Agent-readable demo data

Title

Event Filtering (JavaScript Scheduler) | DayPilot Pro for JavaScript Demo

Tree

DayPilot JavaScript Demo

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Description

Read more about event filtering.

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

Inline demo script 1

const dp = new DayPilot.Scheduler("dp", {
            startDate: "2026-01-01",
            days: 365,
            scale: "Day",
            timeHeaders: [
                {groupBy: "Month", format: "MMMM yyyy"},
                {groupBy: "Cell", format: "d"}
            ],
            treeEnabled: true,
            onTimeRangeSelected: async (args) => {
                const modal = await DayPilot.Modal.prompt("New event name:", "Event");
                dp.clearSelection();
                if (modal.canceled) {
                    return;
                }
                dp.events.add({
                    start: args.start,
                    end: args.end,
                    id: DayPilot.guid(),
                    resource: args.resource,
                    text: name
                });
                dp.message("Created");
            },
            onEventFilter: (args) => {
                const textFound = args.e.text().toUpperCase().indexOf(args.filter.toUpperCase()) > -1;

                if (!textFound) {
                    args.visible = false;
                }
            },
            height: 300
        });
        dp.init();
        dp.scrollTo("2026-10-25");

        const app = {
            elements: {
                filter: document.querySelector("#filter"),
                clear: document.querySelector("#clear"),
            },
            loadData() {
                const 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"},
                    {name: "Room J", id: "J"},
                    {name: "Room K", id: "K"}
                ];
                const events = [];
                for (let i = 0; i < 15; i++) {
                    const duration = Math.floor(Math.random() * 6) + 1; // 1 to 6
                    const durationDays = Math.floor(Math.random() * 6 + 2); // 2 to 7
                    const start = Math.floor(Math.random() * 6) + 2; // 2 to 7
                    const res = Math.floor(Math.random() * 6); // 0 to 5

                    const e = {
                        start: new DayPilot.Date("2026-10-25T00:00:00").addDays(start),
                        end: new DayPilot.Date("2026-10-25T12:00:00").addDays(start).addDays(durationDays).addHours(duration),
                        id: DayPilot.guid(),
                        resource: String.fromCharCode(65 + i),
                        text: `Event ${i + 1}`
                    };

                    events.push(e);
                }

                dp.update({resources, events});
            },
            init() {
                this.elements.filter.addEventListener("keyup", function () {
                    var query = this.value;
                    dp.events.filter(query); // see dp.onEventFilter
                });

                this.elements.clear.addEventListener("click", function (ev) {
                    ev.preventDefault();
                    app.elements.filter.value = "";
                    dp.events.filter(null);
                });
                this.loadData();
            }
        };
        app.init();