函数传参-修改文本

 

HTML部分

<ul>
　　<li>
	<p>
	   <span class="fl">列表1</span>
	   <a href="javascript:;" class="fr"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1509698265554&di=c196dde0f938609efa21ceb64e078197&imgtype=0&src=http%3A%2F%2Fico.ooopic.com%2Ficonset01%2Fexclusive-reflection-icons%2Fgif%2F120453.gif"/></a>
	</p>
	<div>
	    <input type="text"/>
	    <a href="javascript:;">取消</a>
	    <a href="javascript:;">确定</a>
	</div>
   </li>
   <li>
	<p>
	    <span class="fl">列表1</span>
	    <a href="javascript:;" class="fr"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1509698265554&di=c196dde0f938609efa21ceb64e078197&imgtype=0&src=http%3A%2F%2Fico.ooopic.com%2Ficonset01%2Fexclusive-reflection-icons%2Fgif%2F120453.gif"/></a>
	</p>
	<div>
	    <input type="text"/>
	    <a href="javascript:;">取消</a>
	    <a href="javascript:;">确定</a>
	</div>
   </li>
   <li>
	<p>
	    <span class="fl">列表1</span>
	    <a href="javascript:;" class="fr"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1509698265554&di=c196dde0f938609efa21ceb64e078197&imgtype=0&src=http%3A%2F%2Fico.ooopic.com%2Ficonset01%2Fexclusive-reflection-icons%2Fgif%2F120453.gif"/></a>
	</p>
	<div>
	    <input type="text"/>
	    <a href="javascript:;">取消</a>
	    <a href="javascript:;">确定</a>
	</div>
    </li>
</ul>

CSS部分

	.fl{
		float: left;
	}
	.fr{
		float: right;
	}
	li{
		list-style: none;
		 300px;
		border-bottom: 1px solid #000000;
		text-indent: 20px;
	}
	li p,
	li div{
		padding: 0;
		margin: 0;
		height: 50px;
		line-height: 50px;
	}
	li img,
	li p a{
		height: 50px;
		 50px;
	}
	li div{
		display: none;
	}
	li div input{
		text-indent: 10px;
		height: 30px;
	}
	li div a{
		text-decoration: none;
		padding-right: 10px;
	}

JS部分

var lis=document.getElementsByTagName("li");
	
for (var i=0;i<lis.length;i++) {
	fn(lis[i]);
}


function fn(li){
	var btns=li.getElementsByTagName("a");
	var txt=li.getElementsByTagName("input")[0];
	var ps=li.getElementsByTagName("p")[0];
	var edit=li.getElementsByTagName("div")[0];
	var span=li.getElementsByTagName("span")[0];
	
	//点击钢笔图标编辑
	btns[0].onclick=function(){
		//编辑按钮隐藏
		ps.style.display="none";
		//编辑框显示
		edit.style.display="block";
		//编辑框内显示原本名称
		txt.value=span.innerHTML;
	}
	//点击取消按钮，取消编辑
	btns[1].onclick=function(){
		//编辑按钮显示
		ps.style.display="block";
		//编辑框隐藏
		edit.style.display="none";
	}
	//点击确定按钮，保存编辑名称
	btns[2].onclick=function(){
		//编辑按钮显示
		ps.style.display="block";
		//编辑框隐藏
		edit.style.display="none";
		//输入框名称保存
		span.innerHTML=txt.value;
	}
}