您好,登錄后才能下訂單哦!
今天小編給大家分享一下js/jq/css如何實(shí)現(xiàn)簡(jiǎn)易下拉菜單功能的相關(guān)知識(shí)點(diǎn),內(nèi)容詳細(xì),邏輯清晰,相信大部分人都還太了解這方面的知識(shí),所以分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后有所收獲,下面我們一起來(lái)了解一下吧。
效果圖預(yù)覽
一 、css實(shí)現(xiàn)
html代碼部分
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>html+css下拉菜單</title> <link rel="stylesheet" type="text/css" href="css/style.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" /> </head> <body> <ul class="menu"> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首頁(yè)</a> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單一</a> <ul> <li>內(nèi)容一</li> <li>內(nèi)容一</li> <li>內(nèi)容一</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單二</a> <ul> <li>內(nèi)容二</li> <li>內(nèi)容二</li> <li>內(nèi)容二</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單三</a> <ul> <li>內(nèi)容三</li> <li>內(nèi)容三</li> <li>內(nèi)容三</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單四</a> </li> </ul> </body> </html>
css部分
*{ padding: 0; margin: 0; } a{ text-decoration: none; color: #000; } ul,li{ list-style: none; } .menu{ margin: 50px auto; width: 500px; height: 35px; background-color: #ccc; text-align: center; line-height: 35px; } .menu li{ float: left; width: 20%; position: relative; } .menu li:hover ul{ display: block; } .menu li a{ display: block; } .menu li a:hover{ background-color: burlywood; } .menu li ul{ display: none; position: absolute; } .menu li ul li{ width: 100%; margin-top: 2px; background-color: darkgray; } .menu li ul li:hover{ cursor: pointer; background-color: chartreuse; }
二、js實(shí)現(xiàn)
html和js部分(實(shí)現(xiàn)方法一)
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>JS下拉菜單</title> <link rel="stylesheet" type="text/css" href="css/style.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" /> </head> <body> <ul class="menu" id="menu"> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首頁(yè)</a> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單一</a> <ul> <li>內(nèi)容一</li> <li>內(nèi)容一</li> <li>內(nèi)容一</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單二</a> <ul class="show"> <li>內(nèi)容二</li> <li>內(nèi)容二</li> <li>內(nèi)容二</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單三</a> <ul class="hide"> <li>內(nèi)容三</li> <li>內(nèi)容三</li> <li>內(nèi)容三</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單四</a> </li> </ul> <script type="text/javascript"> window.onload = function(){ function $(id){ return typeof id == "string"?document.getElementById(id):id; } var menu_li = $("menu").getElementsByTagName("li"); for(var i = 0; i < menu_li.length; i++){ menu_li[i].onmouseover = function(){ var ss = this.getElementsByTagName("ul")[0]; if(ss != undefined){ ss.style.display = "block"; } } } for(var j = 0; j < menu_li.length; j++){ menu_li[j].onmouseout = function(){ var ssa = this.getElementsByTagName("ul")[0]; if(ssa != undefined){ ssa.style.display = "none"; } } } } </script> </body> </html>
html和js部分(實(shí)現(xiàn)方法二)
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style> * { padding: 0; margin: 0; } li { list-style: none; float: left; } #tabCon { clear: both; } #tabCon div { display: none; } #tabCon div.fdiv { display: block; } </style> </head> <body> <div id="tanContainer"> <div id="tab"> <ul> <li class="fli">標(biāo)題一</li> <li>標(biāo)題二</li> <li>標(biāo)題三</li> <li>標(biāo)題四</li> </ul> </div> <div id="tabCon"> <div class="fdiv">內(nèi)容一</div> <div>內(nèi)容二</div> <div>內(nèi)容三</div> <div>內(nèi)容四</div> </div> </div> </body> <script> function $(id){ return typeof id=="string"?document.getElementById(id):id; } var EventUtil = { addHandler: function(element, type, handler) { if(element.addEventListener) { element.addEventListener(type, handler, false); } else if(element.attachEvent) { element.attachEvent("on" + type + handler); } else { element["on" + type] = handler; } }, removeHandler: function(element, type, handler) { if(element.removeEventListener) { element.removeEventListener(type, handler, false); } else if(element.detachEvent) { element.detachEvent("on" + type + handler); } else { element["on" + type] = null; } } } var tabs = $("tab").getElementsByTagName("li"); var divs = $("tabCon").getElementsByTagName("div"); for(var i = 0; i < tabs.length; i++) { var set = function() { change(this); } EventUtil.addHandler(tabs[i], "click", set); //tabs[i].onclick=function(){change(this);} } function change(obj) { console.log(obj); for(var i = 0; i < tabs.length; i++) { if(tabs[i] == obj) {console.log(tabs[i]); // tabs[i].style.display = "block"; divs[i].style.display = "block"; } else { // tabs[i].style.display = "none"; divs[i].style.display = "none"; } } } </script> </html>
css部分
*{ padding: 0; margin: 0; } a{ text-decoration: none; color: #000; } ul,li{ list-style: none; } .menu{ margin: 50px auto; width: 500px; height: 35px; background-color: #ccc; text-align: center; line-height: 35px; } .menu li{ float: left; width: 20%; position: relative; } .menu li a{ display: block; } .menu li a:hover{ background-color: burlywood; } .menu li ul{ display: none; position: absolute; left: 0; } .menu li ul li{ width: 100%; margin-top: 2px; background-color: darkgray; } .menu li ul li:hover{ cursor: pointer; background-color: chartreuse; }
三、JQ實(shí)現(xiàn)
html和jq部分
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>JS下拉菜單</title> <link rel="stylesheet" type="text/css" href="css/style.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" /> </head> <body> <ul class="menu" id="menu"> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首頁(yè)</a> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單一</a> <ul> <li>內(nèi)容一</li> <li>內(nèi)容一</li> <li>內(nèi)容一</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單二</a> <ul class="show"> <li>內(nèi)容二</li> <li>內(nèi)容二</li> <li>內(nèi)容二</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單三</a> <ul class="hide"> <li>內(nèi)容三</li> <li>內(nèi)容三</li> <li>內(nèi)容三</li> </ul> </li> <li> <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >菜單四</a> </li> </ul> <script type="text/javascript" src="../../jq/jquery-1.7.2.min.js"></script> <script type="text/javascript"> $(function(){ $(".menu li").hover(function(){ $(this).children("ul").show(); },function(){ $(this).children("ul").hide(); }); }); </script> </body> </html>
css部分
*{ padding: 0; margin: 0; } a{ text-decoration: none; color: #000; } ul,li{ list-style: none; } .menu{ margin: 50px auto; width: 500px; height: 35px; background-color: #ccc; text-align: center; line-height: 35px; } .menu li{ float: left; width: 20%; position: relative; } .menu li a{ display: block; } .menu li a:hover{ background-color: burlywood; } .menu li ul{ display: none; position: absolute; left: 0; } .menu li ul li{ width: 100%; margin-top: 2px; background-color: darkgray; } .menu li ul li:hover{ cursor: pointer; background-color: chartreuse; }
以上就是“js/jq/css如何實(shí)現(xiàn)簡(jiǎn)易下拉菜單功能”這篇文章的所有內(nèi)容,感謝各位的閱讀!相信大家閱讀完這篇文章都有很大的收獲,小編每天都會(huì)為大家更新不同的知識(shí),如果還想學(xué)習(xí)更多的知識(shí),請(qǐng)關(guān)注億速云行業(yè)資訊頻道。
免責(zé)聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如果涉及侵權(quán)請(qǐng)聯(lián)系站長(zhǎng)郵箱:is@yisu.com進(jìn)行舉報(bào),并提供相關(guān)證據(jù),一經(jīng)查實(shí),將立刻刪除涉嫌侵權(quán)內(nèi)容。