浏览器cookie方式实现多页签通讯

程序员文章站 2022-06-23 08:27:38

index01.html 第一个页面改...

index01.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一个页面改</title>
</head>
<body>
    <input id="name" autocomplete="off">
    <input type="button" id="btn" value="提交">
    <script type="text/javascript">
        window.onload = function () {
            var btnEle = document.getElementById('btn');
            var nameEle = document.getElementById('name');
            btnEle.onclick = function () {
                var name = nameEle.value;
                document.cookie = "name=" + name; 
            }
        }
    </script>
</body>

</html>

index01.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第二个页面</title>
</head>
<body>
    <script type="text/javascript">
        window.onload = function () {
            function getCookie(key) {
                // console.log(document.cookie.replace(/;\s+/gim, "\",\"").replace(/=/gim, "\":\""));
                if (document.cookie ) {
                    return JSON.parse("{\"" + document.cookie.replace(/;\s+/gim, "\",\"").replace(/=/gim, "\":\"") + "\"}")[key];
                } else {
                    return '';
                }
            }
            setInterval(function () {
                console.log("name=" + getCookie("name"));
            }, 5000);
        }
    </script>
</body>
</html>

本文地址：https://blog.csdn.net/weixin_43837268/article/details/109256351