本地存储localStorage的使用

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>localStorage使用示例</title>
</head>
<body>
<script type="text/javascript">
    if (window.localStorage) {
        var fruit = new Array('apple', 'banana', 'orange');

        // 存储数据(localStorage存储的数据是永久有效,只要不手动删除就会一直存在)
        var json = JSON.stringify(fruit); // 数组转JSON字符串
        localStorage.setItem('fruit', json);

        // 获取数据
        var string = localStorage.getItem('fruit');
        var array = JSON.parse(string);
        console.log(array);

        // 删除数据
        localStorage.removeItem('fruit');

        // 清空所有数据
        localStorage.clear();
    } else {
        alert('浏览器不支持localStorage本地存储');
    }
</script>
</body>
</html>

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