如何在光滑滑块的 start/end 处更改 SVG 的颜色

How to change the colour of an SVG when at the start/end of slick slider

对不起,如果标题很烂,我真的不知道怎么说...

如果我在幻灯片的开头或结尾,如何更改 svg 箭头的颜色?如果值等于 0,也许我可以添加 class?如果没有剩余幻灯片,不确定如何添加 class?

下图是我想要达到的效果..atm 我的两边都有两个白色箭头。我想在开始时(左侧)和结束时(右侧)将颜色更改为灰色。

    $(".image_carousel-wrapper").each(function () {
        var _this = $(this);

        var $status = _this.find('.slide-number');
        var $slickElement = _this.find('.image_carousel');

        $slickElement.on('init reInit afterChange', function (event, slick, currentSlide, nextSlide) {
            //currentSlide is undefined on init -- set it to 0 in this case (currentSlide is 0 based)
            if (!slick.$dots) {
                return;
            }

            var i = (currentSlide ? currentSlide : 0) + 1;
            $status.text(i + '/' + (slick.$dots[0].children.length));
        });



        var _this = $(this);
        _this.find('.image_carousel').slick({
            arrows: true,
            dots: true,
            pauseOnHover: false,
            pauseOnFocus: false,
            autoplay: false,
            swipeToSlide: true,
            fade: true,
            draggable: true,

            prevArrow: _this.find('.prev-slide'),
            nextArrow: _this.find('.next-slide'),
        });
    });
            <div class="image_carousel-wrapper">
                <div class="image_carousel">
                    <?php foreach( $images as $image ): ?>
                        <div class="slide">
                        
                            <img class="full-width <?php if($module_alignment == 'left') : ?>left-image<?php endif; ?>" src="<?php echo $image['url']; ?>" alt="<?php echo $image['alt']; ?>">


                            <?php if( get_sub_field('artists_impression') ): ?> 
                                <p class="artistimp ">Artist Impression</p>
                            <?php endif; ?>


                        </div>
                    <?php endforeach; ?>

                    
                </div>

                <div class="slider-directions">
                    <div class="arrow-wrap">
                        <div class="prev-slide"></div>
                        <div class="next-slide"></div>
                    </div>
                <div class="slide-number"></div>
            </div>
        </div>

infinite: false 添加到轮播选项以禁用无限循环。

如果您想进一步调整禁用的导航项的外观,您可以定位 .slick-disabled