应用-动态删除
2019-12-11 本文已影响0人
Dxes
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/tools.js">
</script>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
/*==================水果展示====================*/
#box1{
margin-left: 50px;
margin-top: 20px;
}
.f1{
width: 250px;
height: 60px;
background-color: cadetblue;
margin-bottom: 2px;
color: white;
font-size: 20px;
line-height: 60px;
text-align: center;
position: relative;
}
.f1>font:last-child{
position: absolute;
right: 10px;
}
.close{
/*将鼠标变成手的样式*/
cursor: pointer;
}
/*====================添加水果===================*/
#box2{
margin-left: 50px;
margin-top: 20px;
}
#input1{
border: 0;
outline: 0;
border-bottom: 1px solid lightgray;
width: 250px;
height: 30px;
text-align: center;
font-size: 20px;
}
#box2>button{
width: 100px;
height: 30px;
font-size: 16px;
color: white;
background-color: orangered;
border: 0;
outline: 0;
}
</style>
</head>
<body>
<div id="box1">
<div class="f1">
<font>苹果</font>
<font class="close">×</font>
</div>
<div class="f1">
<font>香蕉</font>
<font class="close">×</font>
</div>
<div class="f1">
<font>火龙果</font>
<font class="close">×</font>
</div>
<div class="f1">
<font>西瓜</font>
<font class="close">×</font>
</div>
</div>
<div id="box2">
<input type="" name="" id="input1" value="" />
<button onclick="addFurit()">确定</button>
</div>
<script type="text/javascript">
input1_ = document.getElementById('input1')
box1_ = document.getElementById('box1')
//======1.添加水果=======
function addFurit(){
var furitName = input1_.value
//没有输入水果名
if(furitName.length == 0){
furitName = prompt('请输入水果名:')
if(furitName == null || furitName.length == 0){
return
}
}
//添加水果
var furitBoxNode = document.createElement('div')
furitBoxNode.className = 'f1'
furitBoxNode.style.backgroundColor = randowColor(0.5)
var furitNameNode = document.createElement('font')
furitNameNode.innerText = furitName
var closeNode = document.createElement('font')
closeNode.innerText = '×'
closeNode.className = 'close'
closeNode.onclick = delFurit
furitBoxNode.appendChild(furitNameNode)
furitBoxNode.appendChild(closeNode)
box1_.insertBefore(furitBoxNode, box1_.firstElementChild)
//清空输入框
input1_.value = '';
}
//给默认的四个水果添加点击事件
(function(){
var closeNodes = document.getElementsByClassName('close')
for(var closeNode of closeNodes){
console.log(closeNode)
closeNode.onclick = delFurit
}
})();
//======2.删除水果=======
function delFurit(){
this.parentElement.remove()
}
</script>
</body>
</html>
