HTML粘性滑块导航页面Demo - 可自由填充内容

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<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <meta name="viewport"
    content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>jQuery粘性滑块导航（响应式）</title>
  <link rel="stylesheet" href="./style.css">
</head>

<body>
  <section class="et-hero-tabs">
    <h1>粘性滑块导航</h1>
    <h3>滑动内容与粘性选项卡导航</h3>
    <div class="et-hero-tabs-container"> <a class="et-hero-tab" href="#tab-es6">ES6</a> <a class="et-hero-tab"
        href="#tab-flexbox">Flexbox</a> <a class="et-hero-tab" href="#tab-react">React</a> <a class="et-hero-tab"
        href="#tab-angular">Angular</a> <a class="et-hero-tab" href="#tab-other">Other</a> <span
        class="et-hero-tab-slider"></span> </div>
  </section>

  <!-- Main -->
  <main class="et-main">
    <section class="et-slide" id="tab-es6">
      <h1>ES6</h1>
      <h3>something about es6</h3>
    </section>
    <section class="et-slide" id="tab-flexbox">
      <h1>Flexbox</h1>
      <h3>something about flexbox</h3>
    </section>
    <section class="et-slide" id="tab-react">
      <h1>React</h1>
      <h3>something about react</h3>
    </section>
    <section class="et-slide" id="tab-angular">
      <h1>Angular</h1>
      <h3>something about angular</h3>
    </section>
    <section class="et-slide" id="tab-other">
      <h1>Other</h1>
      <h3>something about other</h3>
    </section>
  </main>

  <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
  <script src="./script.js"></script>

</body>

</html>

CSS 代码

a {
  text-decoration: none;
}

.et-hero-tabs,
.et-slide {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  position: relative;
  background: #eee;
  text-align: center;
  padding: 0 2em;
}
.et-hero-tabs h1,
.et-slide h1 {
  font-size: 2rem;
  margin: 0;
  letter-spacing: 1rem;
}
.et-hero-tabs h3,
.et-slide h3 {
  font-size: 1rem;
  letter-spacing: 0.3rem;
  opacity: 0.6;
}

.et-hero-tabs-container {
  display: flex;
  flex-direction: row;
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 70px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  background: #fff;
  z-index: 10;
}
.et-hero-tabs-container--top {
  position: fixed;
  top: 0;
}

.et-hero-tab {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  color: #000;
  letter-spacing: 0.1rem;
  transition: all 0.5s ease;
  font-size: 0.8rem;
}
.et-hero-tab:hover {
  color: white;
  background: rgba(102, 177, 241, 0.8);
  transition: all 0.5s ease;
}

.et-hero-tab-slider {
  position: absolute;
  bottom: 0;
  width: 0;
  height: 6px;
  background: #66B1F1;
  transition: left 0.3s ease;
}

@media (min-width: 800px) {
  .et-hero-tabs h1,
  .et-slide h1 {
    font-size: 3rem;
  }
  .et-hero-tabs h3,
  .et-slide h3 {
    font-size: 1rem;
  }

  .et-hero-tab {
    font-size: 1rem;
  }
}

JS 代码

class StickyNavigation {
    
    constructor() {
        this.currentId = null;
        this.currentTab = null;
        this.tabContainerHeight = 70;
        let self = this;
        $('.et-hero-tab').click(function() { 
            self.onTabClick(event, $(this)); 
        });
        $(window).scroll(() => { this.onScroll(); });
        $(window).resize(() => { this.onResize(); });
    }
    
    onTabClick(event, element) {
        event.preventDefault();
        let scrollTop = $(element.attr('href')).offset().top - this.tabContainerHeight + 1;
        $('html, body').animate({ scrollTop: scrollTop }, 600);
    }
    
    onScroll() {
        this.checkTabContainerPosition();
    this.findCurrentTabSelector();
    }
    
    onResize() {
        if(this.currentId) {
            this.setSliderCss();
        }
    }
    
    checkTabContainerPosition() {
        let offset = $('.et-hero-tabs').offset().top + $('.et-hero-tabs').height() - this.tabContainerHeight;
        if($(window).scrollTop() > offset) {
            $('.et-hero-tabs-container').addClass('et-hero-tabs-container--top');
        } 
        else {
            $('.et-hero-tabs-container').removeClass('et-hero-tabs-container--top');
        }
    }
    
    findCurrentTabSelector(element) {
        let newCurrentId;
        let newCurrentTab;
        let self = this;
        $('.et-hero-tab').each(function() {
            let id = $(this).attr('href');
            let offsetTop = $(id).offset().top - self.tabContainerHeight;
            let offsetBottom = $(id).offset().top + $(id).height() - self.tabContainerHeight;
            if($(window).scrollTop() > offsetTop && $(window).scrollTop() < offsetBottom) {
                newCurrentId = id;
                newCurrentTab = $(this);
            }
        });
        if(this.currentId != newCurrentId || this.currentId === null) {
            this.currentId = newCurrentId;
            this.currentTab = newCurrentTab;
            this.setSliderCss();
        }
    }
    
    setSliderCss() {
        let width = 0;
        let left = 0;
        if(this.currentTab) {
            width = this.currentTab.css('width');
            left = this.currentTab.offset().left;
        }
        $('.et-hero-tab-slider').css('width', width);
        $('.et-hero-tab-slider').css('left', left);
    }
    
}

new StickyNavigation();

导航粘性

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