HTML代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>任务一</title>
<link rel="stylesheet" href="main.css">
</head>
<body>
<p id="top">支付宝信息</p>
<input id="inputInfo" type="text" />
<button id="btn">+</button>
<p id="bottom">已添加的支付宝</p>
<div id="detail"></div>
<script type="text/javascript" src="basic.js"></script>
</body>
</html>
CSS代码
body, p, ul, li{
margin: 0;
padding: 0;
}
#top{
font-size: 14px;
color: #999;
margin: 10px;
}
#bottom{
font-size: 14px;
color: #000;
margin-left: 10px;
}
#inputInfo{
width: 260px;
height: 38px;
font-size: 16px;
margin-left: 10px;
border: 1px solid #ccc;
border-radius: 6px;
}
#btn{
width: 50px;
height: 36px;
border: 1px solid #888;
border-radius: 6px;
background: none;
}
#btn:focus{
outline: none;
}
#detail{
width: 360px;
margin-left: 10px;
}
#detail li{
width:118px;
height: 24px;
border: 1px solid #ccc;
float: left;
list-style: none;
}
#detail .del{
text-align: right;
}
#detail .deleteBtn{
border: none;
background: none;
}
#detail .deleteBtn:focus{
outline: none;
}
Js代码
var inputInfo = document.getElementById('inputInfo');
var btn = document.getElementById('btn');
var detail = document.getElementById('detail');
var deleteBtns = detail.getElementsByClassName('deleteBtn');
//声明添加信息函数
function addLitoUl(obj){
detail.innerHTML += '<ul>' + '<li>' + obj.value + '</li>' + '<li>' + '【设为默认】' + '<li class = \'del\'>' + '<button class= \"deleteBtn\">×</button>' + '</li>' + '</ul>';
obj.value = '';
}
//声明删除信息函数
function deleteUL(obj){
obj.parentNode.parentNode.remove();
}
//给button绑定添加信息点击事件
btn.onclick = function(){
addLitoUl(inputInfo);
//给每个 × span绑定删除点击事件
for(var i=0; i<deleteBtns.length; i++){
console.log(22);
deleteBtns[i].onclick = function(){
console.log(this);
deleteUL(this);
};
}
};