https://lastenrad-mainz.de/wp-content/plugins/commonsbooking/asset…/leaflet-messagebox.js?ver=1.1

1L.Control.Messagebox = L.Control.extend({
2    options: {
3        position: 'topright',
4        timeout: 3000
5    },
6
7    onAdd: function (map) {
8        this._container = L.DomUtil.create('div', 'leaflet-control-messagebox');
9        //L.DomEvent.disableClickPropagation(this._container);
10        return this._container;
11    },
12
13    show: function (message, timeout) {
14        var elem = this._container;
15        elem.innerHTML = message;
16        elem.style.display = 'block';
17
18        timeout = timeout || this.options.timeout;
19
20        if (typeof this.timeoutID == 'number') {
21            clearTimeout(this.timeoutID);
22        }
23        this.timeoutID = setTimeout(function () {
24            elem.style.display = 'none';
25        }, timeout);
26    }
27});
28
29L.Map.mergeOptions({
30    messagebox: false
31});
32
33L.Map.addInitHook(function () {
34    if (this.options.messagebox) {
35        this.messagebox = new L.Control.Messagebox();
36        this.addControl(this.messagebox);
37    }
38});
39
40L.control.messagebox = function (options) {
41    return new L.Control.Messagebox(options);
42};