トップへ戻るボタン

パーツ設置費用

1,000円

CSS

#toTop {
  background-color: #666666;
  box-sizing: border-box;
  cursor: pointer;
  opacity: 0;
  position: fixed;
  bottom: 20px;
  right: 20px;
  transition: ease .5s;
  height: 60px;
  width: 60px;
  z-index: -10;
}
#toTop.active {
  opacity: 1;
  z-index: 10;
}
#toTop:hover {
  background-color: #ccc;
}
#toTop img {
  image-rendering: -webkit-optimize-contrast;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 21px;
}

HTML

<div id="toTop">
  <img src="/wp/wp-content/uploads/2021/03/icon-arrow-up-white.png">
</div>

JavaScript

<script>
  jQuery(document).ready(function($){
    $(window).on("scroll", function() {
      if ($(this).scrollTop() > 200) {
        $("#toTop").addClass('active');
      } else {
        $("#toTop").removeClass('active');
      }
    });
    $('#toTop').click(function () {
      $('body,html').animate({
        scrollTop: 0
        }, 400);
        return false;
      });
    });
</script>