ホームページ > ウェブフロントエンド > jsチュートリアル > JS CSS_javascript スキルによって実装された古典的な角の丸いドロップダウン メニュー効果コード

JS CSS_javascript スキルによって実装された古典的な角の丸いドロップダウン メニュー効果コード

WBOY
リリース: 2016-05-16 15:35:54
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この記事の例では、JS CSS によって実装された角丸ドロップダウン メニュー効果コードについて説明します。参考のために皆さんと共有してください。詳細は次のとおりです:

CSS JS で実装された丸みを帯びたドロップダウン メニューは、装飾的な画像を一切使用していないため、必要に応じてもう少しコードを追加する必要があります。それを使用してください 私の友人はJSファイルを抽出して別に保存しました。これはより合理的です。

実行中のエフェクトのスクリーンショットは次のとおりです:

オンライン デモのアドレスは次のとおりです:

http://demo.jb51.net/js/2015/js-css-jd-cicle-style-button-demo/

具体的なコードは次のとおりです:

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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<title>QuickMenu 超强悍菜单</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<style type="text/css">
.qmmc .qmdivider{display:block;font-size:1px;border-width:0px;border-style:solid;position:relative;z-index:1;}.qmmc .qmdividery{float:left;width:0px;}.qmmc .qmtitle{display:block;cursor:default;white-space:nowrap;position:relative;z-index:1;}.qmclear {font-size:1px;height:0px;width:0px;clear:left;line-height:0px;display:block;float:none !important;}.qmmc {position:relative;zoom:1;z-index:10;}.qmmc a, .qmmc li {float:left;display:block;white-space:nowrap;position:relative;z-index:1;}.qmmc div a, .qmmc ul a, .qmmc ul li {float:none;}.qmsh div a {float:left;}.qmmc div{visibility:hidden;position:absolute;}.qmmc .qmcbox{cursor:default;display:block;position:relative;z-index:1;}.qmmc .qmcbox a{display:inline;}.qmmc .qmcbox div{float:none;position:static;visibility:inherit;left:auto;}.qmmc li {z-index:auto;}.qmmc ul {left:-10000px;position:absolute;z-index:10;}.qmmc, .qmmc ul {list-style:none;padding:0px;margin:0px;}.qmmc li a {float:none;}.qmmc li:hover>ul{left:auto;}#qm0 ul {top:100%;}#qm0 ul li:hover>ul{top:0px;left:100%;}
 #qm0 
 { 
  padding:5px;
  border-width:1px;
  border-style:solid;
  border-color:#eeeeee;
 }
 #qm0 a 
 { 
  padding:5px 4px 5px 5px;
  color:#555555;
  font-family:Arial;
  font-size:10px;
  text-decoration:none;
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 { 
  padding:10px;
  margin:-2px 0px 0px;
  background-color:transparent;
  border-style:none;
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 #qm0 div a, #qm0 ul a 
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  padding:3px 10px 3px 5px;
  background-color:transparent;
  font-size:11px;
  border-width:0px;
  border-style:none;
 } 
 #qm0 div a:hover 
 { 
  background-color:#dadada;
  color:#cc0000;
 }
 #qm0 ul li:hover>a 
 { 
  background-color:#dadada;
  color:#cc0000;
 }
 body #qm0 div .qmactive, body #qm0 div .qmactive:hover 
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  background-color:#dadada;
  color:#cc0000;
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 #qm0 .qmtitle 
 { 
  cursor:default;
  padding:3px 0px 3px 4px;
  color:#444444;
  font-family:arial;
  font-size:11px;
  font-weight:bold;
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 #qm0 .qmdividerx 
 { 
  border-top-width:1px;
  margin:4px 0px;
  border-color:#bfbfbf;
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 #qm0 .qmdividery 
 { 
  border-left-width:1px;
  height:15px;
  margin:4px 2px 0px;
  border-color:#aaaaaa;
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 #qm0 .qmritem span 
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  border-color:#dadada;
  background-color:#f7f7f7;
 }
 #qm0 .qmritemcontent 
 { 
  padding:0px 0px 0px 4px;
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 ul#qm0 li:hover > a 
 { 
  background-color:#f7f7f7;
 } 
 ul#qm0 ul 
 { 
  padding:10px;
  margin:-2px 0px 0px;
  background-color:#f7f7f7;
  border-width:1px;
  border-style:solid;
  border-color:#dadada;
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ism=qm_a(atags[k][qp]);if((isd&&atags[k].className.indexOf("qmdivider")+1)||(ist&&atags[k].className.indexOf("qmtitle")+1)||(gom&&ism&&atags[k].tagName=="A")||(atags[k].className.indexOf("qmrounditem")+1)||(gos&&!ism&&atags[k].tagName=="A")||(isp&&atags[k].cdiv)){var f=document.createElement("SPAN");f.className="qmritem";f.setAttribute("qmvbefore",1);var fs=f.style;fs.position="absolute";fs.display="block";fs.top="0px";fs.left="0px";fs.width=atags[k].offsetWidth+"px";if(q.sactive&&atags[k].cdiv.style.visibility!="inherit")fs.visibility="hidden";var size=q.size;q.mid=parseInt(size/2);q.ps=new Array(size+1);var t2=0;q.osize=q.size;if(!q.angle){for(var i=0;i<=size;i++){if(i==q.mid)t2=0;q.ps[i]=t2;t2+=Math.abs(q.mid-i)+1;}q.osize=1;}var fi="";var ctype="main";if(!ism)ctype="sub";for(var i=0;i<size;i++)fi+=qm_ritem_get_span(size,i,1,ctype);var cn=atags[k].cloneNode(true);var cns=cn.getElementsByTagName("SPAN");for(var 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