原生js实现电商购物车滚动粘性浮动效果代码-html代码-BFW代码库

代码语言：html

所属分类：电商

代码描述：原生js实现电商购物车滚动粘性浮动效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">

  
  <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/reset.min.css">
<style>
html {
  --space: 2rem;
  --space-xs: calc(var(--space) / 3);
  --space-sm: calc(var(--space) / 2);
  --space-md: calc(var(--space) * 2);

  --color-primary: lightgray;
  --color-accent: whitesmoke;
  --color-dark: black;
  --color-mid: gray;
  --color-light: white;
  --color-highlight: dodgerblue;

  --radius: 0.125rem;
}

/* Here are the base styles for the main layout and sticky component */
* {
  box-sizing: border-box;
}

main {
  display: flex;
  flex-wrap: wrap;
}

.article {
  flex-basis: 0;
  flex-grow: 999;
  min-width: 40%;
}

.sidebar {
  --offset: var(--space);
  flex-grow: 1;
  flex-basis: 300px;
  align-self: start;
  position: -webkit-sticky;
  position: sticky;
  top: var(--offset);
}

.component {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.component .content {
  max-height: 500px;
  overflow-y: auto;
}

.sidebar .component {
  max-height: calc(100vh - var(--offset) * 2);
}

/*
 * Other styles
**/
.visually-hidden {
  clip: rect(0 0 0 0);
  -webkit-clip-path: inset(50%);
          clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

html,
body {
  height: 100%;
}

[hidden] {
  display: none;
}

body {
  margin: 0 auto;
  padding: 0 var(--space);
  font-family: "Helvetica Neue", sans-serif;
  font-size: 1.25rem;
  line-height: 1.4;
  max-width: 1400px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.2;
}

p {
  max-width: 70ch;
  font-size: clamp(1rem, 4vw, 1.25rem);
}

header,
footer {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-md) 0;
  padding: var(--space);
  height: 40vh;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 12px,
    var(--color-accent) 12px,
    var(--color-accent) 24px
  );
}

/* Until flexbox gap is supported in all modern browsers, we use the negative margin trick to create space between the children elements */
main {
  margin-bottom: calc(var(--space-md) * -1);
  margin-left: calc(var(--space-md) * -1);
}

main > * {
  margin-bottom: var(--space-md);
  margin-left: var(--space-md);
}

article > * + * {
  margin-top: var(--space);
}

.component {
  position: relative;
  border: 1px solid var(--color-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.04),
    0 4px 8px rgba(0, 0, 0, 0.03), 0 8px 16px rgba(0, 0, 0, 0.03),
    0 16px 32px rgba(0, 0, 0, 0.02), 0 32px 64px rgba(0, 0, 0, 0.02);
}

.component .header,
.component .footer {
  padding: var(--space-sm);
  text-align: center;
}

.component .header {
  border-bottom: inherit;
}

.component .footer {
  display: flex;
  justify-content: space-between;
  border-top: inherit;
}

.component .content {
  padding: var(--space-sm);
  max-height: 500px;
  overflow-y: auto;
  color: var(--color-dark);
}

.empty-text {
  padding: var(--space);
  text-align: center;
  color: var(--color-primary);
}

.item {
  position: relative;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  display: flex;
  align-items: center;
  padding: var(--space);
  outline: none;
  width: 100%;
  background-color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  cursor: pointer;
}

.item:active {
  transform: translateY(1px);
}

.item:focus {
  outline: 2px solid var(--color-highlight);
}

.item > * {
  pointer-events: none;
}

.info {
  width: 100%;
}

.title,
.subtitle {
  width: 100%;
  height: 0.5rem;
  background-color: var(--color-primary);
  border-radius: var(--radius);
}

.title {
  margin-bottom: var(--space-xs);
  max-width: 15ch;
}

.subtitle {
  max-width: 12ch;
}

.thumbnail {
  flex-shrink: 0;
  width: var(--size);
  height: var(--size);
  background: var(--color-primary);
  border-radius: var(--radius);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-gap: var(--space-sm);
}

.grid .item {
  flex-direction: column;
  text-align: center;
}

.grid .info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.grid .thumbnail {
  --size: 100px;
  margin-bottom: var(--space);
}

.list > * + * {
  margin-top: var(--space-xs);
}

.list .item {
  padding: var(--space-sm);
}

.list .item::before {
  content: "×";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--space-sm);
  font-size: 2rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05rem;
  color: var(--color-primary);
  pointer-events: none;
}

.list .thumbnail {
  --size: 50px;
  margin-right: var(--space-sm);
}

.button {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  padding: var(--space-xs) var(--space-sm);
  font-family: inherit;
  font-size: 1rem;
  color: white;
  background-color: var(--color-dark);
  border: 1px solid var(--color-dark);
  cursor: pointer;
  border-radius: var(--radius);
  box-shadow: rgba(black, 0.1) 4px 4px;
}

.button:active {
  transform: translateY(1px);
  box-shadow: none;
}

.empty-cart {
  color: var(--color-mid);
  border-color: var(--color-mid);
  background-color: var(--color-light);
}
</style>


</head>

<body>
  <header></header>
<main>
  <article class="article">
    <h2>Dynamic Sticky Sidebar Component</h2>
    <p>Click on the elements below to add them to the sidebar component.</p>
    <ul class="items grid">
      <li>
        <button class="item">
          <div class="thumbnail"></div>
          <div class="info">
            <div class="title"></div>
            <div class="subtitle"></div>
          </div>
        </button>
      </li>
      <li>
        <button class="item">
          <div class="thumbnail"></div>
          <div class="info">
            <div class="title"></div>
            <div class="subtitle"></div>
          </div>
        </button>
      </li>
      <li>
        <button class="item">
          <div class="thumbnail"></div>
          <div class="info">
           .........完整代码请登录后点击上方下载按钮下载查看