用純JS實現二級菜單效果
本文實例為大家分享了JS實現二級菜單效果的具體代碼，供大家參考，具體內容如下
js點擊出現二級菜單，點擊二級菜單主菜單換成二級菜單
點擊出現二級菜單
<style>*{margin:0px auto;padding:0px;} .yiji{width:200px;height:40px;background-color:red;color:#fff;text-align:center;line-height:40px;hvertical-align:middle;border:1px solid #FFF;} .erji1{width:200px;height:40px;background-color:#F63;color:#fff;text-align:center;line-height:40px;vertical-align:middle;border:1px solid #FFF;} #erji2{display:none;} #erji3{display:none;} #erji4{display:none;} </style> </head> <body><div onclick='Show(’erji2’)'>首頁</div><div id='erji2'> <div class='erji1'>1</div> <div class='erji1'>1</div> <div class='erji1'>1</div> </div> <div onclick='Show(’erji3’)'>人才</div><div id='erji3'> <div class='erji1'>1</div> <div class='erji1'>1</div> <div class='erji1'>1</div> </div> <div onclick='Show(’erji4’)'>市場</div><div id='erji4'> <div class='erji1'>1</div> <div class='erji1'>1</div> <div class='erji1'>1</div></div> </body> <script type='text/javascript'>function Show(a){ var a = document.getElementById(a); if(a.style.display == 'block') {a.style.display = 'none'; } else {a.style.display = 'block'; }} </script>
#caidan{width:200px;height:40px;border:1px solid #999;text-align:center;line-height:40px;vertical-align:middle;} .list{ width:200px; height:40px; border:1px solid #999; border-top-width:0px; text-align:center; line-height:40px; vertical-align:middle; display:none; } #caidan,.list:hover{ cursor:pointer; } .list:hover{ background-color:#63F;}
<div style='width:200px; height:400px;'> <div onclick='Show()'>中國</div> <div onclick='Xuan(this)'>山東</div> <div onclick='Xuan(this)'>濟南</div> <div onclick='Xuan(this)'>濟寧</div> <div onclick='Xuan(this)'>威海</div> <div onclick='Xuan(this)'>淄博</div></div>
function Show(){ var list = document.getElementsByClassName('list'); //顯示列表 for(var i=0;i<list.length;i++) {list[i].style.display = 'block'; } } function Xuan(a){ var c = document.getElementById('caidan'); c.innerHTML = a.innerHTML; var list = document.getElementsByClassName('list'); //顯示列表 for(var i=0;i<list.length;i++) {list[i].style.display = 'none'; } }
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持好吧啦網。
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