我找到了一个不错的脚本。除1件事外,其他一切正常。当我尝试插入第二个列表时-它不起作用。
当您要打开第二个块时,第一个继续。

我尝试添加不同的类,但是不幸的是,它对我不起作用。
我哪里错了?

function tamingselect()
{
	if(!document.getElementById && !document.createTextNode){return;}

// Classes for the link and the visible dropdown
	var ts_selectclass='turnintodropdown'; 	// class to identify selects
	var ts_listclass='turnintoselect';		// class to identify ULs
	var ts_boxclass='dropcontainer'; 		// parent element
	var ts_triggeron='activetrigger'; 		// class for the active trigger link
	var ts_triggeroff='trigger';			// class for the inactive trigger link
	var ts_dropdownclosed='dropdownhidden'; // closed dropdown
	var ts_dropdownopen='dropdownvisible';	// open dropdown
/*
	Turn all selects into DOM dropdowns
*/
	var count=0;
	var toreplace=new Array();
	var sels=document.getElementsByTagName('select');
	for(var i=0;i<sels.length;i++){
		if (ts_check(sels[i],ts_selectclass))
		{
			var hiddenfield=document.createElement('input');
			hiddenfield.name=sels[i].name;
			hiddenfield.type='hidden';
			hiddenfield.id=sels[i].id;
			hiddenfield.value=sels[i].options[0].value;
			sels[i].parentNode.insertBefore(hiddenfield,sels[i])
			var trigger=document.createElement('a');
			ts_addclass(trigger,ts_triggeroff);
			trigger.href='#';
			trigger.onclick=function(){
				ts_swapclass(this,ts_triggeroff,ts_triggeron)
				ts_swapclass(this.parentNode.getElementsByTagName('ul')[0],ts_dropdownclosed,ts_dropdownopen);
				return false;
			}
			trigger.appendChild(document.createTextNode(sels[i].options[0].text));
			sels[i].parentNode.insertBefore(trigger,sels[i]);
			var replaceUL=document.createElement('ul');
			for(var j=0;j<sels[i].getElementsByTagName('option').length;j++)
			{
				var newli=document.createElement('li');
				var newa=document.createElement('a');
				newli.v=sels[i].getElementsByTagName('option')[j].value;
				newli.elm=hiddenfield;
				newli.istrigger=trigger;
				newa.href='#';
				newa.appendChild(document.createTextNode(
				sels[i].getElementsByTagName('option')[j].text));
				newli.onclick=function(){
					this.elm.value=this.v;
					ts_swapclass(this.istrigger,ts_triggeron,ts_triggeroff);
					ts_swapclass(this.parentNode,ts_dropdownopen,ts_dropdownclosed)
					this.istrigger.firstChild.nodeValue=this.firstChild.firstChild.nodeValue;
					return false;
				}
				newli.appendChild(newa);
				replaceUL.appendChild(newli);
			}
			ts_addclass(replaceUL,ts_dropdownclosed);
			var div=document.createElement('div');
			div.appendChild(replaceUL);
			ts_addclass(div,ts_boxclass);
			sels[i].parentNode.insertBefore(div,sels[i])
			toreplace[count]=sels[i];
			count++;
		}
	}

/*
	Turn all ULs with the class defined above into dropdown navigations
*/

	var uls=document.getElementsByTagName('ul');
	for(var i=0;i<uls.length;i++)
	{
		if(ts_check(uls[i],ts_listclass))
		{
			var newform=document.createElement('form');
			var newselect=document.createElement('select');
			for(j=0;j<uls[i].getElementsByTagName('a').length;j++)
			{
				var newopt=document.createElement('option');
				newopt.value=uls[i].getElementsByTagName('a')[j].href;
				newopt.appendChild(document.createTextNode(uls[i].getElementsByTagName('a')[j].innerHTML));
				newselect.appendChild(newopt);
			}
			newselect.onchange=function()
			{
				window.location=this.options[this.selectedIndex].value;
			}
			newform.appendChild(newselect);
			uls[i].parentNode.insertBefore(newform,uls[i]);
			toreplace[count]=uls[i];
			count++;
		}
	}
	for(i=0;i<count;i++){
		toreplace[i].parentNode.removeChild(toreplace[i]);
	}
	function ts_check(o,c)
	{
	 	return new RegExp('\\b'+c+'\\b').test(o.className);
	}
	function ts_swapclass(o,c1,c2)
	{
		var cn=o.className
		o.className=!ts_check(o,c1)?cn.replace(c2,c1):cn.replace(c1,c2);
	}
	function ts_addclass(o,c)
	{
		if(!ts_check(o,c)){o.className+=o.className==''?c:' '+c;}
	}
}

window.onload=function()
{
	tamingselect();
	// add more functions if necessary
}
.dropcontainer {
    position: relative;
    font-size: 13px;
    color: #777;
}
.trigger {
    color: #777;
    padding: 5px;
    font-size: 13px;
    width: 90%;
    margin: 10px 15px 10px 0;
    background: #fff url('../img/select-arrow-open.gif') right center no-repeat;
    display: block;
    float: right;
    border: 1px solid #ccc;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.trigger:hover {
    color: #777;
    background: #f5f5f5 url(../img/select-arrow-open.gif) right center no-repeat;
}
.activetrigger {
    color: #777;
    padding: 5px;
    font-size: 13px;
    width: 90%;
    margin: 10px 15px 10px 0;
    background: #f5f5f5 url(../img/select-arrow-close.gif) right center no-repeat;
    display: block;
    float: right;
    border: 1px solid #ccc;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.activetrigger:hover {
    background: #f5f5f5 url(../img/select-arrow-close.gif) right center no-repeat;
    color: #777;
}
.activetrigger:active {
    background: #f5f5f5 url(../img/select-arrow-close.gif) right center no-repeat;
    color: #777;
}
.dropcontainer ul {
    font-size: 13px;
    border: 1px solid #ccc;
    border-top: none;
    background: #fff;
    list-style-type: none;
    padding: 5px;
    top: 40px;
    right: 15px;
    width: 90%;
    z-index: 100;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.dropcontainer ul li {
    padding: 5px;
}
.dropcontainer ul li:hover {
    background: #f5f5f5;
    outline: none;
}
.dropcontainer ul li:first-child {
    display: none;
}
.dropcontainer ul li:last-child {
    border-bottom: none;
}
.dropdownhidden {
    display: none;
}
.dropdownvisible {
    height: 150px;
    overflow-y: scroll;
}
<form action="#">
            <select class="turnintodropdown" id="1" name="1">
                <option>11111111111111</option>
                <option>11111111111111</option>
                <option>11111111111111</option>
                <option>11111111111111</option>
                <option>11111111111111</option>
            </select>
            <select class="turnintodropdown" id="2" name="2">
                <option>22222222222222</option>
                <option>22222222222222</option>
                <option>22222222222222</option>
                <option>22222222222222</option>
                <option>22222222222222</option>
            </select>
         </form>

最佳答案

小提琴:http://jsfiddle.net/psyonix/g8n2vojw/1/

标记:

<form action="#">
            <select class="turnintodropdown" id="1" name="1">
                <option>11111111111111</option>
                <option>11111111111111</option>
                <option>11111111111111</option>
                <option>11111111111111</option>
                <option>11111111111111</option>
            </select>
            <select class="turnintodropdown2" id="2" name="2">
                <option>22222222222222</option>
                <option>22222222222222</option>
                <option>22222222222222</option>
                <option>22222222222222</option>
                <option>22222222222222</option>
            </select>
         </form>

剧本:
function tamingselect()
{
    if(!document.getElementById && !document.createTextNode){return;}

// Classes for the link and the visible dropdown
    var ts_selectclass='turnintodropdown2';
    var ts_selectclass='turnintodropdown';  // class to identify selects
    var ts_listclass='turnintoselect';      // class to identify ULs
    var ts_boxclass='dropcontainer';        // parent element
    var ts_triggeron='activetrigger';       // class for the active trigger link
    var ts_triggeroff='trigger';            // class for the inactive trigger link
    var ts_dropdownclosed='dropdownhidden'; // closed dropdown
    var ts_dropdownopen='dropdownvisible';  // open dropdown
/*
    Turn all selects into DOM dropdowns
*/
    var count=0;
    var toreplace=new Array();
    var sels=document.getElementsByTagName('select');
    for(var i=0;i<sels.length;i++){
        if (ts_check(sels[i],ts_selectclass))
        {
            var hiddenfield=document.createElement('input');
            hiddenfield.name=sels[i].name;
            hiddenfield.type='hidden';
            hiddenfield.id=sels[i].id;
            hiddenfield.value=sels[i].options[0].value;
            sels[i].parentNode.insertBefore(hiddenfield,sels[i])
            var trigger=document.createElement('a');
            ts_addclass(trigger,ts_triggeroff);
            trigger.href='#';
            trigger.onclick=function(){
                ts_swapclass(this,ts_triggeroff,ts_triggeron)
                ts_swapclass(this.parentNode.getElementsByTagName('ul')[0],ts_dropdownclosed,ts_dropdownopen);
                return false;
            }
            trigger.appendChild(document.createTextNode(sels[i].options[0].text));
            sels[i].parentNode.insertBefore(trigger,sels[i]);
            var replaceUL=document.createElement('ul');
            for(var j=0;j<sels[i].getElementsByTagName('option').length;j++)
            {
                var newli=document.createElement('li');
                var newa=document.createElement('a');
                newli.v=sels[i].getElementsByTagName('option')[j].value;
                newli.elm=hiddenfield;
                newli.istrigger=trigger;
                newa.href='#';
                newa.appendChild(document.createTextNode(
                sels[i].getElementsByTagName('option')[j].text));
                newli.onclick=function(){
                    this.elm.value=this.v;
                    ts_swapclass(this.istrigger,ts_triggeron,ts_triggeroff);
                    ts_swapclass(this.parentNode,ts_dropdownopen,ts_dropdownclosed)
                    this.istrigger.firstChild.nodeValue=this.firstChild.firstChild.nodeValue;
                    return false;
                }
                newli.appendChild(newa);
                replaceUL.appendChild(newli);
            }
            ts_addclass(replaceUL,ts_dropdownclosed);
            var div=document.createElement('div');
            div.appendChild(replaceUL);
            ts_addclass(div,ts_boxclass);
            sels[i].parentNode.insertBefore(div,sels[i])
            toreplace[count]=sels[i];
            count++;
        }
    }

/*
    Turn all ULs with the class defined above into dropdown navigations
*/

    var uls=document.getElementsByTagName('ul');
    for(var i=0;i<uls.length;i++)
    {
        if(ts_check(uls[i],ts_listclass))
        {
            var newform=document.createElement('form');
            var newselect=document.createElement('select');
            for(j=0;j<uls[i].getElementsByTagName('a').length;j++)
            {
                var newopt=document.createElement('option');
                newopt.value=uls[i].getElementsByTagName('a')[j].href;
                newopt.appendChild(document.createTextNode(uls[i].getElementsByTagName('a')[j].innerHTML));
                newselect.appendChild(newopt);
            }
            newselect.onchange=function()
            {
                window.location=this.options[this.selectedIndex].value;
            }
            newform.appendChild(newselect);
            uls[i].parentNode.insertBefore(newform,uls[i]);
            toreplace[count]=uls[i];
            count++;
        }
    }
    for(i=0;i<count;i++){
        toreplace[i].parentNode.removeChild(toreplace[i]);
    }
    function ts_check(o,c)
    {
        return new RegExp('\\b'+c+'\\b').test(o.className);
    }
    function ts_swapclass(o,c1,c2)
    {
        var cn=o.className
        o.className=!ts_check(o,c1)?cn.replace(c2,c1):cn.replace(c1,c2);
    }
    function ts_addclass(o,c)
    {
        if(!ts_check(o,c)){o.className+=o.className==''?c:' '+c;}
    }
}

window.onload=function()
{
    tamingselect();
    // add more functions if necessary
}

09-25 18:25