Почему при верстке шаблона не работает JS?

(function($) { "use strict";

    //VARIABLES
    var is_visible = $('.menu-button').is(':visible'),
        swipers = [],winW, xsPoint = 767, smPoint = 991, mdPoint = 1199;
        winW = $(window).width();

    //SWIPER SLIDER
    function initSwiper(){
        var initIterator = 0;
        $('.swiper-container').each(function(){
            var $t = $(this);

            var index = 'unique-id-'+initIterator;

            $t.attr('data-init', index).addClass('initialized');
            $t.find('.pagination').addClass('pagination-'+index);

            var loopVar = parseInt($t.attr('data-loop')),
                slidesPerViewVar = $t.attr('data-slides-per-view'),
                xsValue, smValue, mdValue, lgValue;
            if(slidesPerViewVar == 'responsive'){
                slidesPerViewVar = 1;
                xsValue = $t.attr('data-xs-slides');
                smValue = $t.attr('data-sm-slides');
                mdValue = $t.attr('data-md-slides');
                lgValue = $t.attr('data-lg-slides');
            }

            swipers[index] = new Swiper(this,{
                pagination: '.pagination-'+index,
                loop: loopVar,
                paginationclickable: true,
                calculateHeight: true,
                slidesPerView: slidesPerViewVar,
                roundLengths: true,
                onInit: function(swiper){
                    if($t.attr('data-slides-per-view')=='responsive') updateSlidesPerView(xsValue, smValue, mdValue, lgValue, swiper);
                },
                onSlideChangeEnd: function (swiper) {
                    var activeIndex = (loopVar===true)?swiper.activeIndex:swiper.activeLoopIndex;
                    if($t.find('.slider-index').length) {
                        $t.find(".start_index").html(activeIndex+1);
                    }
                }
            });

            swipers[index].reInit();
            initIterator++;
        });
    };

    //SWIPER ARROWS
   $('.swiper-arrow-left').on('click', function(){
        swipers[$(this).parents('.swiper-container').attr('data-init')].swipePrev();
    });

    $('.swiper-arrow-right').on('click', function(){
        swipers[$(this).parents('.swiper-container').attr('data-init')].swipeNext();
    });

    $('.carousel-arrow-left').on('click',function(){
        swipers[$(this).prev().attr('data-init')].swipePrev();
    });

    $('.carousel-arrow-right').on('click', function(){
        swipers[$(this).prev().prev().attr('data-init')].swipeNext();
    });

    function updateSlidesPerView(xsValue, smValue, mdValue, lgValue, swiper){

        if(winW>mdPoint) swiper.params.slidesPerView = lgValue;
        else if(winW>smPoint) swiper.params.slidesPerView = mdValue;
        else if(winW>xsPoint) swiper.params.slidesPerView = smValue;
        else {swiper.params.slidesPerView = xsValue;}
    }


   //WINDOW LOAD
    $(window).load(function(){
        center_bg();
        galleryImg();
        $('#loader-wrapper').fadeOut(500);
    });

    initSwiper();

    //FUNCTIONS OF PAGE RESIZE
    function resizeCall(){
        winW = $(window).width();
        $('.swiper-container[data-slides-per-view="responsive"]').each(function(){
            swipers[$(this).attr('data-init')].reInit();
        });
        is_visible = $('.menu-button').is(':visible');
        var contW = $('.container').width();
        $('.images-menu-container').css({'width': contW});
        $('.nav ul li .sub-menu-type2 li').css({'width': contW * 0.25});
    }
    $(window).resize(function(){
        resizeCall();
        galleryImg();

    });
    window.addEventListener("orientationchange", function() {
        resizeCall();
    }, false);

    //CALCULATE WIDTH MENU
    var contW = $('.container').width();
    $('.images-menu-container').css({'width': contW});
    $('.nav ul li .sub-menu-type2 li').css({'width': contW * 0.25});

    //HOVER ANIMATE MENU

    $('.nav > ul > li').on({
        mouseenter: function () {
            if(!is_visible) {
            var obj = $(this).find('.images-menu-container');
            obj.css({'opacity':'0','display':'block', 'margin-top':'120px'});
            if($(this).hasClass('images-menu')) {
                var thisOffset = $(this).offset().left - $(this).closest('.container').offset().left;
                var centerObj = $(this).find('.sub-menu-type2');
                var calcOffsetUl = thisOffset + $(this).width() * 0.5 - centerObj.width() * 0.5;
                centerObj.css({'margin-left': (calcOffsetUl > 0 && calcOffsetUl < contW) ? calcOffsetUl : 0});
            }
            if($(this).hasClass('submenu-parent')){
                $(this).find('.drop-menu-container').css({'opacity':'0','display':'block', 'margin-top':'90px'});
                $(this).find('.drop-menu-container').animate({'opacity':'1', 'margin-top':'42px'}, 300);
            }
            obj.animate({'opacity':'1', 'margin-top':'60px'}, 300);
        }
            
        },
        mouseleave: function () {
            if(!is_visible) {
            $(this).find('.images-menu-container').animate({
                'opacity': '0',
                'margin-top': '90'
            }, 300, function () {
                $(this).hide();
            });
            if ($(this).hasClass('submenu-parent')) {
                $(this).find('.drop-menu-container').animate({
                    'opacity': '0',
                    'margin-top': '90'
                }, 300, function () {
                    $(this).hide();
                });
            }
        }
        }
    });

    // VISIBLE SEARCH
    if(!is_visible) {
        $('.search-ico').on('mouseenter', function(){
            $(this).css('cursor', 'pointer');
            
            setTimeout(function() {
                $('.search-block ').fadeIn(500);
            }, 100)
        });

        $('.search-block').on('mouseleave', function(){
            $('.search-block').not('.active').fadeOut(500);
        });

        $('.search-input').on('focus',function(){
            $('.search-block').addClass('active');
        });

        $('.search-input').on('blur',function(){
            $('.search-block').removeClass('active');
            $('.search-block').fadeOut(500);
        });
    }

    //MENU BUTTON
    $('.menu-button').on('click', function () {
        var menu = $('.nav-container').toggleClass('nav-container-responsive');
        $(this).toggleClass('active');
        $(window).resize(function(){
            var w = $(window).width();
            if(w > 320 && menu.is(':hidden')) {
                menu.removeAttr('style');
            }
        });
    });

   //CLICK RESPONSIVE MENU
    if(is_visible) {
        $('.plus').on('click', function (e) {
            e.preventDefault();
            $(this).parent().next('.responsive-wrapp').slideToggle(500);
            $(this).toggleClass('plus-active');

        });

        $('.arrow-right-b').on('click', function (e) {
            e.preventDefault();
            $(this).parent().next('.sub-sub-menu').slideToggle(500);
            $(this).toggleClass('i-active');

        });

        $('.nav ul li .sub-menu-type2 li').css({'width': '100%'});
    }

    //BACKGROUND IMAGE
    function center_bg(){
        $('.center-image').each(function(){
            var bgSrc = $(this).attr('src');
            $(this).parent().css({'background-image':'url('+bgSrc+')'});
            $(this).remove();
        });
    }


    function galleryImg(){
        if(winW < 992) {
            $('.gallery-img').each(function(){
                var bgSrc = $(this).attr('src');
                $(this).parent().css({'background-image':'url('+bgSrc+')'});
                $(this).css('visibility', 'hidden');
            });
        }
    }

    //CUSTOM UPLOAD FILE
    $('.custom-file-input').on('change', function() {
        var realVal = $(this).val(),
            lastIndex = realVal.lastIndexOf('\\') + 1,
            maskBtn = $('.send-file');
        if(lastIndex !== -1) {
            realVal = realVal.substr(lastIndex);
            $(this).prev('.mask').find('.fileInputText').val(realVal);
            $('.delete-foto').show();
            maskBtn.css('opacity', 0);
        }

    });

    $('.delete-foto').on('click', function (e) {
        e.preventDefault();
        var $wrapper = $(this).parents(".mask-wrapper"),
            maskBtn = $('.send-file');
        $wrapper.find(".fileInputText").val("");
        $wrapper.find(".custom-file-input").val("");
        $('.delete-foto').hide();
        maskBtn.css('opacity', 1);
    });


    $('.close-panel').on('click', function (e) {
        e.preventDefault();
        $('.header').toggleClass('panel-hide');
        $(this).toggleClass('close-panel-active');
    });



   //MASONRY
    $(window).load(function(){
        if($('#container-masonry').length) {
            $('#container-masonry').masonry({
                itemSelector: '.item',
                columnWidth: '.item'
            });
        };

        if($('.m-gallery-container').length) {
            $('.m-gallery-container').masonry({
                itemSelector: '.img-item',
                columnWidth: '.img-item'
        });
    };


    //MIXIUP
    if($('#container').length) {
        $('#container').mixItUp(
            {
                animation: {
                    duration: 400,
                    effects: 'fade translateZ(-360px) stagger(34ms)',
                    easing: 'ease'
                }
            }
        );};
    });

    //GALLERY POPUP
    if($('.gallery-parent').length) {
        $('.gallery-parent').magnificPopup({
            delegate: 'a', // child items selector, by clicking on it popup will open
            type: 'image',
            gallery: {enabled: true},
            removalDelay: 500, //delay removal by X to allow out-animation
            callbacks: {
                beforeOpen: function () {
                    this.st.mainClass = this.st.el.attr('data-effect');
                }
            },
            midClick: true

        });
    };

    //CLOSE MESSAGE
    $('.close-m').on('click', function (e) {
        e.preventDefault();
        $(this).parent().fadeOut(300);
    });

    //TABS
    if($('#myTab a').length) {
        $('#myTab a').on('click', function (e) {
            e.preventDefault();
            $(this).tab('show');
        });
    };

    if($('#myTab a').length) {
        $('#myTabWidget a').on('click',function (e) {
            e.preventDefault();
            $(this).tab('show');
        });
    };

})(jQuery);