判断浏览器信息，及当前浏览网页使用的设备

小宋、

于 2022-08-02 19:35:52 发布

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CC 4.0 BY-SA版权

文章标签： javascript

本文链接：https://blog.youkuaiyun.com/TargetObject1/article/details/126128899

<!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>
        console.log(navigator.userAgent);
        //判断浏览器厂商 "固定格式"
        function userBrowser() {
            var browserName = navigator.userAgent.toLowerCase();
            console.log(browserName);
            // 根据browserName来判断浏览器厂商
            if (/msie/i.test(browserName) && !/opera/i.test(browserName)) {
                alert("IE");
                return;
            } else if (/firefox/i.test(browserName)) {
                alert("FireFox");
                return;
            } else if (/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)) {
                alert("Chrome");
                return;
            } else if (/opera/i.test(browserName)) {
                alert("Opera");
                return;
            } else if (!(/chrome/i.test(browserName)) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)) {
                alert("Safari");
                return;
            }
            // /'正则(内容是浏览器的内核)'/
            else if (/Gecko/i.test(browserName)) {
                alert("IE11");
                return;
            } else {
                alert('unknow');
            }
        }
        userBrowser();
        // 验证是否是移动客户端
        function browserRedirect() {
            var sUserAgent = navigator.userAgent.toLowerCase();
            // /xxx/i正则表达式语法 
            var bIsIPad = sUserAgent.match(/ipad/i) == "ipad";
            var bIsIPhoneOS = sUserAgent.match(/iphone os/i) == "iphone os";
            var bIsMidp = sUserAgent.match(/midp/i) == "midp";
            var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
            var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
            var bIsAndroid = sUserAgent.match(/android/i) == "android";
            var bIsCE = sUserAgent.match(/window ce/i) == "window ce";
            var bIsWM = sUserAgent.match(/windows mobile/i) == "window mobile";
            if (bIsIPad || bIsIPhoneOS || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
                alert("移动端");
            } else {
                alert("pc端");
            }
        }
        browserRedirect();
    </script>
</body>

</html>