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Heim  >  Artikel  >  Web-Frontend  >  Klassischer Dropdown-Menüeffektcode mit abgerundeten Ecken, implementiert durch JS CSS_Javascript-Kenntnisse

Klassischer Dropdown-Menüeffektcode mit abgerundeten Ecken, implementiert durch JS CSS_Javascript-Kenntnisse

WBOY
WBOYOriginal
2016-05-16 15:35:542127Durchsuche

Das Beispiel in diesem Artikel beschreibt den von JS CSS implementierten Effektcode für das Dropdown-Menü mit abgerundeten Ecken. Teilen Sie es als Referenz mit allen. Die Details lauten wie folgt:

Ich glaube, dass dieses Menü vielen Freunden gefallen wird. Das von CSS JS implementierte abgerundete Dropdown-Menü wird vollständig mit JS vervollständigt, daher gibt es etwas mehr Code Verwenden Sie es. Mein Freund hat die JS-Datei extrahiert und separat gespeichert, was sinnvoller ist.

Der Screenshot des Laufeffekts sieht wie folgt aus:

Die Online-Demo-Adresse lautet wie folgt:

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

Der spezifische Code lautet wie folgt: 

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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>
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