动态添加输入框

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动态添加输入框,不废话,直接上代码


<!DOCTYPE html>

<html>
<head lang="en">
<meta charset="UTF-8">

<title>添加选项</title>


<script type="text/javascript" src="jquery-1.9.0.js"></script>


<script type="text/javascript">

function add(){
var liLength = ($("#ui li").length)+1;
var Name = getName(liLength-1);
if(Name==null){
alert("选项过多");
}else{
$("#ui").append("<li id="+Name+">"+Name+" : <input type='text'/> <a name="+Name+" onclick='removeX(this.name)' href='#'>移除</a></li>");
}
}

function removeX(str){//删除选项
console.debug(str);
var strV = $('#'+str+'');
//console.debug(strV);

var uiArr = $("#ui li");
//console.debug(uiArr);
for(i=0;i<uiArr.length;i++){
// console.debug(uiArr[i].id);
if(uiArr[i].id==str){
console.debug(" 第几个 "+i);
console.debug(" uiArr[i].id "+uiArr[i].id);
console.debug(" str "+str);

}

}

$('#'+str+'').remove();//删除


}

var strArr =['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'];
function getName(liLength){
if(liLength>strArr.length){
return null;
}else{
return strArr[liLength];
}
}
</script>
</head>
<body>
<input type="button" onclick="add()" value="点击添加"/>
<form >
<ui id="ui">
<li id="A">A : <input type="text" /> <a name="A" onclick="removeX(this.name)" href="#">移除</a></li>
</ui>

</form>



</body>
</html>
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