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来源：3-4 自由编程

帅得无心敲代码

2021-03-18 14:28:45

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let value = localStorage.getItem('count');
        let sum = 0;
        window.onload = () => {
            if(value){
                sum = Number(value) + 1;
                localStorage.setItem('count',`${sum}`);
                document.body.innerHTML = `这是您第${sum}次访问本页面`;
            }else{
                localStorage.setItem('count',1);
                document.body.innerHTML = `这是您第${localStorage.getItem('count')}次访问本页面`;
            }
        }
    </script>
</body>
</html>