我是靠谱客的博主 爱笑蜡烛,这篇文章主要介绍JS+CSS实现的经典圆角下拉菜单效果代码,现在分享给大家,希望可以做个参考。

本文实例讲述了JS+CSS实现的圆角下拉菜单效果代码。分享给大家供大家参考,具体如下:

相信不少朋友会喜欢这一款菜单,CSS+JS实现的圆角下拉菜单,没有使用任何修饰性的图片哦,圆角完全是用JS完成的,因此代码多了些,想使用的朋友把JS文件提取出来另存,这样更合理些。

运行效果截图如下:

在线演示地址如下:

http://demo.uoften.com/js/2015/js-css-jd-cicle-style-button-demo/

具体代码如下:

复制代码
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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 l=0;l<cns.length;l++){if(cns[l].getAttribute("isibulletcss")||cns[l].getAttribute("isibullet"))cn.removeChild(cns[l]);}fi+='<span class="qmritemcontent" style="display:block;border-style:solid;border-width:0px 1px 0px 1px;'+q.opacity+'">'+cn.innerHTML+'</span>';for(var i=size-1;i>=0;i--)fi+=qm_ritem_get_span(size,i,null,ctype);f.innerHTML=fi;f=atags[k].insertBefore(f,atags[k].firstChild);atags[k].hasritem=f;}if(atags[k].cdiv)new qm_ritem_add_rounds(atags[k].cdiv);}};function qm_ritem_get_span(size,i,top,ctype){var q=qmad.ritem;var mlmr;if(i==0){var mo=q.ps[size]+q.mid;if(q.angle)mo=size-i;var fs="";if(qmad.str)fs="<br/>";mlmr=qm_ritem_get_corners(mo,null,top,ctype);return '<span style="border-width:1px 0px 0px 0px;border-style:solid;display:block;font-size:1px;overflow:hidden;line-height:0px;height:0px;margin-left:'+mlmr[0]+'px;margin-right:'+mlmr[1]+'px;'+q.opacity+'">'+fs+'</span>';}else {var md=size-(i);var ih=1;var bs=1;if(!q.angle){if(i>=q.mid)ih=Math.abs(q.mid-i)+1;else {bs=Math.abs(q.mid-i)+1;md=q.ps[size-i]+q.mid;}if(top)q.osize+=ih;}mlmr=qm_ritem_get_corners(md,bs,top,ctype);return '<span style="border-width:0px '+mlmr[3]+'px 0px '+mlmr[2]+'px;border-style:solid;display:block;overflow:hidden;font-size:1px;line-height:0px;height:'+ih+'px;margin-left:'+mlmr[0]+'px;margin-right:'+mlmr[1]+'px;'+q.opacity+'"></span>';}};function qm_ritem_get_corners(mval,bval,top,ctype){var q=qmad.ritem;var ml=mval;var mr=mval;var bl=bval;var br=bval;if(top){if(!q["corners_"+ctype][0]){ml=0;bl=1;}if(!q["corners_"+ctype][1]){mr=0;br=1;}}else {if(!q["corners_"+ctype][2]){mr=0;br=1;}if(!q["corners_"+ctype][3]){ml=0;bl=1;}}return new Array(ml,mr,bl,br);}/* ]]> */</script> </head> <body style="margin:40px;background-color:#ffffff;"><noscript><span style="font-size:13px;font-family:arial;"><span style="color:#dd3300">Warning!</span>   QuickMenu may have been blocked by IE-SP2's active content option. This browser feature blocks JavaScript from running locally on your computer.<br><br>This warning will not display once the menu is on-line. To enable the menu locally, click the yellow bar above, and select <span style="color:#0033dd;">"Allow Blocked Content"</span>.<br><br>To permanently enable active content locally...<div style="padding:0px 0px 30px 10px;color:#0033dd;"><br>1: Select 'Tools' --> 'Internet Options' from the IE menu.<br>2: Click the 'Advanced' tab.<br>3: Check the 2nd option under 'Security' in the tree (Allow active content to run in files on my computer.)</div></span></noscript> <a style="font-size:13px;color:#444444;font-family:arial;text-decoration:none;display:block;margin-bottom:25px;" id="qmv_open_visual_interface" href="javascript:if (qm_s3){window.name='qm_open';window.location = window.location.href;}else{var qmnw = window.open(window.location.href,'qm_open','scrollbars=no,location=no,status=yes,menu=no,toolbar=no,resizable=yes');if (window.focus) {qmnw.focus()}}"><span style="color:#dd3300;">[+]</span> Open Visual Interface</a> <ul id="qm0" class="qmmc"> <li><a class="qmparent" href="javascript:void(0)">SOLUTIONS</a> <ul> <li><span class="qmtitle" >Industries</span></li> <li><a href="javascript:void(0)">Education</a></li> <li><span class="qmdivider qmdividerx" ></span></li> <li><span class="qmtitle" >Solutions</span></li> <li><a href="javascript:void(0)">Digital Imaging</a></li> <li><a href="javascript:void(0);">Web Publishing</a></li> <li><span class="qmdivider qmdividerx" ></span></li> <li><a href="javascript:void(0);">All Industries and Solutions</a></li> </ul></li> <li><span class="qmdivider qmdividery" ></span></li> <li><a class="qmparent" href="javascript:void(0)">脚本下载</a> <ul> <li><a href="javascript:void(0)">脚本之家</a></li> <li><a href="javascript:void(0)">Ajax</a></li> <li><a href="javascript:void(0);">ASP</a></li> <li><a href="javascript:void(0);">PHP</a></li> <li><span class="qmdivider qmdividerx" ></span></li> <li><a href="javascript:void(0);">ASP.NET</a></li> </ul></li> <li><span class="qmdivider qmdividery" ></span></li> <li><a class="qmparent" href="javascript:void(0)">SUPPORT</a> <ul> <li><a href="javascript:void(0)">Support Home</a></li> <li><a href="javascript:void(0)">Customer Service</a></li> <li><a href="javascript:void(0);">Updates</a></li> <li><span class="qmdivider qmdividerx" ></span></li> <li><a href="javascript:void(0);">More</a></li> </ul></li> <li><span class="qmdivider qmdividery" ></span></li> <li><a class="qmparent" href="javascript:void(0)">网页特效</a> <ul> <li><span class="qmtitle" >CSS菜单</span></li> <li><a href="javascript:void(0)">层和布局</a></li> <li><a href="javascript:void(0)">漂亮按钮</a></li> <li><a href="javascript:void(0)">图片特效</a></li> </ul></li> <li><span class="qmdivider qmdividery" ></span></li> <li><a class="qmparent" href="javascript:void(0);">COMPANY</a> <ul> <li><a href="javascript:void(0);">About Adobe</a></li> <li><a href="javascript:void(0);">Press</a></li> <li><a href="javascript:void(0);">Corporate Affairs</a></li> <li><a href="javascript:void(0);">More</a></li> </ul></li> <li class="qmclear"> </li></ul> <!-- Create Menu Settings: (Menu ID, Is Vertical, Show Timer, Hide Timer, On Click (options: 'all' * 'all-always-open' * 'main' * 'lev2'), Right to Left, Horizontal Subs, Flush Left, Flush Top) --> <script type="text/javascript">qm_create(0,false,0,500,false,false,false,false,false);</script> </body> </html>

希望本文所述对大家JavaScript程序设计有所帮助。

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