This article shares the effect of javascript mouse swiping over to display the secondary menu for your reference. The specific content is as follows
1. Key code: Use switch or if judgment statements to change the corresponding secondary menu display mode to block or none
function selectTabMenu(i){ switch(i){ case 71: document.getElementById("TabMenuCon71").style.display="block"; document.getElementById("TabMenuCon72").style.display="none"; document.getElementById("TabMenuCon73").style.display="none"; document.getElementById("TabMenuCon74").style.display="none"; document.getElementById("TabMenuCon75").style.display="none"; document.getElementById("TabMenuCon76").style.display="none"; break; ... }}2. Main navigation binding event
<ul>
<li><a href="#" onmouseover="selectTabMenu(71)">Home</a></li>
3. Secondary menu
<ul id="TabMenuCon71"> <li><a href="#">Announcement</a></li> <li><<a href="#">Information</a></li></ul>
4. Complete code
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Horizontal Navigation-Second Level Menu</title> <style type="text/css"> *{ padding:0px; margin: 0px; } .navBar{ height: 30px; background-color: #2B383E; text-align: center; } ul{ list-style: none; } .nav li{ float: left; } .nav li a{ display: block; padding: 0 20px; height: 30px; line-height: 30px; text-decoration: none; color: #fff; } .nav li a:hover{ background-color: #ffff; color: #4DB6E7 } .TabMenuCon{ clear: both; display: none; } .TabMenuCon li{ display: inline-block; } </style> <script type="text/javascript"> function selectTabMenu(i){ switch(i){ case 71: document.getElementById("TabMenuCon71").style.display="block"; document.getElementById("TabMenuCon72").style.display="none"; document.getElementById("TabMenuCon73").style.display="none"; document.getElementById("TabMenuCon74").style.display="none"; document.getElementById("TabMenuCon75").style.display="none"; document.getElementById("TabMenuCon76").style.display="none"; case 72: document.getElementById("TabMenuCon71").style.display="none"; document.getElementById("TabMenuCon72").style.display="block"; document.getElementById("TabMenuCon73").style.display="none"; document.getElementById("TabMenuCon74").style.display="none"; document.getElementById("TabMenuCon75").style.display="none"; document.getElementById("TabMenuCon76").style.display="none"; break; case 73: document.getElementById("TabMenuCon71").style.display="none"; document.getElementById("TabMenuCon72").style.display="none"; document.getElementById("TabMenuCon73").style.display="block"; document.getElementById("TabMenuCon74").style.display="none"; document.getElementById("TabMenuCon75").style.display="none"; document.getElementById("TabMenuCon76").style.display="none"; break; case 74: document.getElementById("TabMenuCon71").style.display="none"; document.getElementById("TabMenuCon72").style.display="none"; document.getElementById("TabMenuCon73").style.display="none"; document.getElementById("TabMenuCon74").style.display="block"; document.getElementById("TabMenuCon75").style.display="none"; document.getElementById("TabMenuCon76").style.display="none"; break; case 75: document.getElementById("TabMenuCon71").style.display="none"; document.getElementById("TabMenuCon72").style.display="none"; document.getElementById("TabMenuCon73").style.display="none"; document.getElementById("TabMenuCon74").style.display="none"; document.getElementById("TabMenuCon75").style.display="block"; document.getElementById("TabMenuCon76").style.display="none"; break; case 76: document.getElementById("TabMenuCon71").style.display="none"; document.getElementById("TabMenuCon72").style.display="none"; document.getElementById("TabMenuCon73").style.display="none"; document.getElementById("TabMenuCon74").style.display="none"; document.getElementById("TabMenuCon75").style.display="none"; document.getElementById("TabMenuCon76").style.display="block"; break; } } </script></head><body> <div> <ul> <li><a href="#" onmouseover="selectTabMenu(71)">Home</a></li> <li><a href="#" onmouseover="selectTabMenu(72)">About the Association</a></li> <li><a href="#" onmouseover="selectTabMenu(73)">Association News</a></li> <li><a href="#" onmouseover="selectTabMenu(74)">Association Activities</a></li> <li><a href="#" onmouseover="selectTabMenu(75)">Members</a></li> <li><a href="#" onmouseover="selectTabMenu(76)">Resource Space</a></li> </ul> </div> <div id="TabMenuCon"> <ul id="TabMenuCon71"> <li><a href="#">Announcement</a></li> <li><<a href="#">Information</a></li> </ul> <ul id="TabMenuCon72"> <li>Introduction</li> <li>Information</a></li> </ul> <ul id="TabMenuCon72"> <li>Introduction</li> <li>Organization</li> <li>Association Articles</li> </ul> <ul id="TabMenuCon73"> <li>Information</li> </ul> <ul id="TabMenuCon73"> <li>Information</li> </ul> <ul id="TabMenuCon73"> <li>Information</li> </ul> <ul id="TabMenuCon74"> <li>Verdatory Maintenance Month</li> <li>Graphic Design Activities</li> <li>Program Design Activities</li> <li>Outdoor Expansion</li> </ul> <ul id="TabMenuCon75"> <li>Member Login</li> <li>Member Registration</li> <li>Pay Member Fees</li> <li>Member Information Management</li> <li>Modify Password</li> </ul> <ul id="TabMenuCon76"> <li>PS Tutorial</li> <li>Flash Tutorial</li> </ul> </div></body></html>The above is all about this article, I hope it will be helpful to everyone's learning.