https://lessons.ok-visual.ru/nassets/7bc22803/date.js?v=1765633899

1jQuery.widget( 'gc.dateField', $.gc.stringField, {
2
3	build: function() {
4		var $input = $('<input type="text" autocomplete="off" />');
5        if ( this.field.id ) {
6            $input.attr('id', 'field-input-' + this.field.id);
7        }
8        $input.appendTo(this.inputBlock);
9
10        var options = {
11            autoclose: true,
12            language: window.language,
13            weekStart: 1,
14            format: 'dd.mm.yyyy',
15            closeOnDateSelect: true
16        };
17
18        if (this.field.settings.startDate) {
19            options.startDate = this.field.settings.startDate;
20        }
21        if (this.field.settings.endDate) {
22            options.endDate = this.field.settings.endDate;
23        }
24
25        $input.datepicker(options);
26
27		this.input = $input;
28	},
29
30	initEditor: function( settingsEl ) {
31		$.gc.stringField.prototype.initEditor.call(this, settingsEl );
32	},
33
34	getValue: function() {
35		return this.input.val();
36	}
37} );