代码语言：javascript复制
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
//增
localStorage['李文']="美女";
//查询
alert(localStorage.李文);
localStorage.clear();//清空所有的localStorage.null
//获取
alert(localStorage.getItem("李文"));
//存储
localStorage.setItem("陈业贵",666);
localStorage.setItem("李文",999);
//修改
localStorage["陈业贵"]=999;
//删除
localStorage.removeItem("李文");
//查询
console.log(localStorage);
</script>
</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
//新增
sessionStorage.b=666;
console.log(sessionStorage)
</script>
</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
console.error('郭然要倒霉了');//错误
alert(1);
console.warn('高波今天高兴了')//警告
</script>
</body>
</html> 
