https://www.ctu.edu.vn/media/nextend/n2-ss-9/n2-ss-9.js?1790050688

1(function ($, scope, undefined) {
2    function NextendSmartSliderWidgetArrowImage(id, desktopRatio, tabletRatio, mobileRatio) {
3        this.slider = window[id];
4
5        this.slider.started($.proxy(this.start, this, id, desktopRatio, tabletRatio, mobileRatio));
6    };
7
8    NextendSmartSliderWidgetArrowImage.prototype.start = function (id, desktopRatio, tabletRatio, mobileRatio) {
9        if (this.slider.sliderElement.data('arrow')) {
10            return false;
11        }
12        this.slider.sliderElement.data('arrow', this);
13
14        this.deferred = $.Deferred();
15
16        this.slider.sliderElement
17            .on('SliderDevice', $.proxy(this.onDevice, this))
18            .trigger('addWidget', this.deferred);
19
20        this.previous = $('#' + id + '-arrow-previous').on('click', $.proxy(function () {
21            this.slider.previous();
22        }, this));
23
24        this.previousResize = this.previous.find('.n2-resize');
25        if (this.previousResize.length == 0) {
26            this.previousResize = this.previous;
27        }
28
29
30        this.next = $('#' + id + '-arrow-next').on('click', $.proxy(function () {
31            this.slider.next();
32        }, this));
33
34        this.nextResize = this.next.find('.n2-resize');
35        if (this.nextResize.length == 0) {
36            this.nextResize = this.next;
37        }
38
39        this.desktopRatio = desktopRatio;
40        this.tabletRatio = tabletRatio;
41        this.mobileRatio = mobileRatio;
42
43        $.when(this.previous.imagesLoaded(), this.next.imagesLoaded()).always($.proxy(this.loaded, this));
44    };
45
46    NextendSmartSliderWidgetArrowImage.prototype.loaded = function () {
47        this.previousWidth = this.previousResize.width();
48        this.previousHeight = this.previousResize.height();
49
50        this.nextWidth = this.nextResize.width();
51        this.nextHeight = this.nextResize.height();
52        this.onDevice(null, {device: this.slider.responsive.getDeviceMode()});
53
54        this.deferred.resolve();
55    };
56
57    NextendSmartSliderWidgetArrowImage.prototype.onDevice = function (e, device) {
58        var ratio = 1;
59        switch (device.device) {
60            case 'tablet':
61                ratio = this.tabletRatio;
62                break;
63            case 'mobile':
64                ratio = this.mobileRatio;
65                break;
66            default:
67                ratio = this.desktopRatio;
68        }
69        this.previousResize.width(this.previousWidth * ratio);
70        this.previousResize.height(this.previousHeight * ratio);
71        this.nextResize.width(this.nextWidth * ratio);
72        this.nextResize.height(this.nextHeight * ratio);
73    };
74
75
76    scope.NextendSmartSliderWidgetArrowImage = NextendSmartSliderWidgetArrowImage;
77})(n2, window);