jQuery 导航自动跟随滚动的实现代码

网络编程 2024/12/23 佚名

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具体代码如下所示：

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> 
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>   
<c:set var="front" value="${frontPath}${pageContext.request.contextPath}/f"/> 
<c:set var="ajaxUrl" value="${frontPath}${pageContext.request.contextPath}"/> 
<c:set var="ctxStatic" value="${pageContext.request.contextPath}/static"/> 
<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"/> 
  <meta name="format-detection" content="telephone=no,email=no,adress=no"/> 
  <meta name="viewport" 
     content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no"/> 
  <meta name="apple-mobile-web-app-capable" content="yes"/> 
  <meta name="apple-mobile-web-app-status-bar-style" content="black"/> 
  <title>simpleNavFollowing</title> 
  <style> 
    * { 
      margin: 0; 
      padding: 0; 
    } 
    html, body { 
      position: relative; 
      height: 100%; 
    } 
    #nav { 
      position: fixed; 
      top: 50%; 
      left: 20px; 
      margin-top: -140px; 
      display: inline-block; 
      vertical-align: middle; 
    } 
    #nav a{ 
      display: block; 
      position: relative; 
      width: 98px; 
      height: 28px; 
      line-height: 28px; 
      text-align: center; 
      background-color: #eee; 
      color: #333; 
      border-left: 2px solid transparent; 
    } 
    #nav a:hover{ 
      width: 98px; 
      border-left: 2px solid #4b59ff; 
    } 
    #nav a p{ 
      position: relative; 
      z-index: 3; 
    } 
    #nav a.active{ 
      background-color: #4b59ff; 
      color: #fff; 
    } 
    #main { 
      max-width: 1200px; 
      margin: 0 auto; 
    } 
    #main div { 
      height: 300px; 
      background-color: #efefef; 
      border-top: 1px solid #ccc; 
    } 
    #main div:nth-child(2n) { 
      background-color: #fafafa; 
    } 
  </style> 
  <script src="/UploadFiles/2021-04-02/jquery-1.10.2.js">

总结
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