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";
//localStorage.getItem(key):获取指定key本地存储的值
//localStorage.setItem(key,value)：将value存储到key字段
//localStorage.removeItem(key):删除指定key本地存储的值
//localStorage.clear();
//查询
alert(localStorage.李文);
//获取指定key本地存储的值
alert(localStorage.getItem("李文"));
//将value存储到key字段
localStorage.setItem("陈业贵",666);
localStorage.setItem("李文",999);
//修改
localStorage["陈业贵"]=999;
localStorage.removeItem("李文");
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">
sessionStorage.b=666;
console.log(sessionStorage)
</script>
</body>
</html><!doctype html>
<html>
<head>
<meta charset="utf-8">
<title></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
//console.log(console);
</script>
</body>
</html>
