本文實例分享了jquery實現右側欄菜單選擇的相關代碼，供大家參考，具體內容如下
效果圖：
實現菜單：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>右側欄菜單</title> <style type="text/css"> *{ margin: 0; padding: 0; } .wrap{ width: 500px; } .block{ border:1px solid #ccc; margin: 20px 20px; } .rightMenu{ position: fixed; right: 50px; top: 200px; /*opacity: 0;*/ display: none; } .rightMenu li{ list-style: none; display: block; width: 80px; height: 32px; line-height: 32px; text-align: center; border: 1px solid blue; margin: 5px 0px; } .rightMenu li a{ text-decoration: none; color: black; } </style></head><body> <div class="wrap"> <div class="block block1"> <h4>第一部分</h4> <p> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! </p> </div> <div class="block block2"> <h4>第二部分</h4> <p> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! </p> </div> <div class="block block3"> <h4>第三部分</h4> <p> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! </p> </div> <div class="block block4"> <h4>第四部分</h4> <p> Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea labore, doloremque eaque veritatis consectetur distinctio ipsam, perferendis cum expedita assumenda minus! Magnam itaque dolorum dignissimos, ullam asperiores! Deleniti, rem? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia porro assumenda voluptas exercitationem velit architecto nobis id odit ullam ut ex minima earum expedita distinctio nam culpa, harum, error veniam! </p> </div> </div> <ul class="rightMenu"> <li><a href="###">第一部分</a></li> <li><a href="###">第二部分</a></li> <li><a href="###">第三部分</a></li> <li><a href="###">第四部分</a></li> </ul> <script type="text/javascript" src="jquery-1.11.3.min.js"></script> <script type="text/javascript"> $(function(){ $(".rightMenu").on("click","li",function(){ // alert($(this).index()) var index = $(this).index(); console.log(index); var t = $(".wrap .block").eq(index).offset().top $("html body").animate({ scrollTop:t }) }) var h = $(".rightMenu").height(); $(window).scroll(function(){ if($(document).scrollTop()<200){ // alert("kk"); $(".rightMenu").stop().animate({ height:0, opacity: 0 },1000) } else{ $(".rightMenu").show().stop().animate({ height:h, opacity: 1 },1000) } }) }) </script></body></html>以上就是本文的全部內容，希望對大家的學習有所幫助。
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