未捕获的类型错误：无法读取 null 的属性（读取“add”）

Question

下面是我的滑块代码，我遇到了无法读取空读取属性的错误，请添加，请做需要的

$('.main_images').slick({
  slidesToShow: 1,
  slidesToScroll: 1,
  arrows: false,
  asNavFor: '.thumb_images'
});

$('.thumb_images').slick({
  slidesToShow: 4,
  slidesToScroll: 1,
  asNavFor: '.main_images',
  dots: false,
  focusOnSelect: true,
  vertical: true,
  arrows:false,
  infinite: false,
  responsive: [
    {
      breakpoint: 481,
      settings: {
        vertical: false,
        infinite: true,
        slidesToShow: 3,
        slidesToScroll: 1

      }
    }
  ]
});
});

Answer 1

这是由于调用了两次 init 造成的。尝试下面的代码...

$('.thumb_images').not('.slick-initialized').slick({
  slidesToShow: 4,
  slidesToScroll: 1,
  asNavFor: '.main_images',
  dots: false,
  focusOnSelect: true,
  vertical: true,
  arrows:false,
  infinite: false,
  responsive: [
    {
      breakpoint: 481,
      settings: {
        vertical: false,
        infinite: true,
        slidesToShow: 3,
        slidesToScroll: 1

      }
    }
  ]
});