<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<style>
.panel-body input.form-control{
width: 200px;
}
</style>
<body>
<div class="container">
<div class="panel panel-primary insert">
<div class="panel-heading">
增加
</div>
<div class="panel-body">
<label for="">key:</label>
<input type="text" id="key" class="form-control">
<label for="">value:</label>
<input type="text" id="value" class="form-control">
<button onclick="save()">save</button>
</div>
</div>
<div class="panel panel-primary select">
<div class="panel-heading">
key-value-list:
</div>
<div class="panel-body">
<button onclick="select()" class="btn btn-success">select</button>
<button onclick="abc()" class="btn btn-warning">clear</button>
<hr>
<ul class="list-group">
</ul>
</div>
</div>
</div>
</div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script>
function save(){
var key = $(".insert #key").val()
var value = $(".insert #value").val()
localStorage.setItem(key,value)
//select()
}
function select(){
let str = ''
for(var i = 0;i < localStorage.length;i ++){
var key = localStorage.key(i)
var value = localStorage.getItem(key)
str +=`
<li class="list-group-item clearfix">
key: <span class="label label-primary key">${key}</span>
value: <span class="label label-primary value">${value}</span>
<button data-key='${key}' class="btn btn-danger delete pull-right">delete</button>
</li>
`
}
$(".select ul").html(str)
}
function abc(){
localStorage.clear()
$(".select ul").html("")
}
$(".select ul").delegate(".delete",'click',function () {
console.log(1)
var key = $(this).data("key")
localStorage.removeItem(key)
$(this).parent().remove()
})
</script>
</body>
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