jQuery下拉菜单经典案例
源码：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <script src="js/jquery-3.4.1.js"></script> </head> <body> <style> * { padding: 0px; margin: 0px; } ul { list-style: none; padding: 0px; width: 120px; } #d, #ul { border: 1px solid gray; float: left; } li:hover { background-color: gray; } </style> <div onmouseover="show()" onmouseout="hide()" id="d"><b>血型</b></div> <div style="clear: both;"></div> <ul id="ul" style="display: none;" onmouseover="show()" onmouseout="hide()"> <li onclick="ch(this)">A</li> <li onclick="ch(this)">B</li> <li onclick="ch(this)">AB</li> <li onclick="ch(this)">O</li> <li onclick="ch(this)">H+</li> <li onclick="ch(this)">H-</li> </ul> <div style="clear: both;"></div> <hr/> <span id="showInfo"></span> <script> function ch(o) { console.log(o.innerHTML); $("#showInfo").text(o.innerHTML); } function show() { $("#ul").show(); } function hide() { $("#ul").hide(); } </script> </body> </html>
希望能对大家有所帮助。
